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See searches and references containing MAIN DIAGONAL!MAIN DIAGONAL
Entries of a matrix for which the row and column indices are equal
linear algebra, the main diagonal (sometimes principal diagonal, primary diagonal, leading diagonal, major diagonal, or good diagonal) of a matrix A {\displaystyle
Main_diagonal
Matrix whose only nonzero elements are on its main diagonal
In linear algebra, a diagonal matrix is a matrix in which the entries outside the main diagonal are all zero; the term usually refers to square matrices
Diagonal_matrix
Matrix with the same number of rows and columns
The entries a i i {\displaystyle a_{ii}} (i = 1, ..., n) form the main diagonal of a square matrix. They lie on the imaginary line which runs from the
Square_matrix
Matrix with nonzero elements on the main diagonal and the diagonals above and below it
on the main diagonal, the subdiagonal/lower diagonal (the first diagonal below this), and the supradiagonal/upper diagonal (the first diagonal above the
Tridiagonal_matrix
Matrix defined using smaller matrices called blocks
like the block diagonal matrix a square matrix, having square matrices (blocks) in the lower diagonal, main diagonal and upper diagonal, with all other
Block_matrix
Array of numbers
of A below the main diagonal are zero, A is called an upper triangular matrix. Similarly, if all entries of A above the main diagonal are zero, A is called
Matrix_(mathematics)
Type of matrix factorization
matrix all elements above the main diagonal are zero, in the upper triangular matrix, all the elements below the diagonal are zero. For example, for a
LU_decomposition
Matrix equal to its conjugate-transpose
zero. Only the main diagonal entries are necessarily real; a Hermitian matrix can have arbitrary complex-valued entries as its off-diagonal elements, as
Hermitian_matrix
Special kind of square matrix
entries above the main diagonal are zero. Similarly, a square matrix is called upper triangular if all the entries below the main diagonal are zero. Because
Triangular_matrix
Sum of elements on the main diagonal
matrix A, denoted tr(A), is defined as a sum of the elements on its main diagonal, a 11 + a 22 + ⋯ + a n n {\displaystyle a_{11}+a_{22}+\dots +a_{nn}}
Trace_(linear_algebra)
Matrix whose only nonzero entries lie on the lower-left-to-upper-right diagonal
known as the anti-diagonal (sometimes Harrison diagonal, secondary diagonal, trailing diagonal, minor diagonal, off diagonal or bad diagonal). An n-by-n matrix
Anti-diagonal_matrix
Measure of covariance of components of a random vector
Any covariance matrix is symmetric and positive semi-definite and its main diagonal contains variances (i.e., the covariance of each element with itself)
Covariance_matrix
Square matrix with ones on the main diagonal and zeros elsewhere
the n × n {\displaystyle n\times n} square matrix with ones on the main diagonal and zeros elsewhere. It has unique properties; for example when the
Identity_matrix
Branch of mathematics
this basis has a very simple structure: it is a diagonal matrix such that the entries on the main diagonal are eigenvalues, and the other entries are zero
Linear_algebra
Matrix equal to its transpose
The entries of a symmetric matrix are symmetric with respect to the main diagonal. So if a i j {\displaystyle a_{ij}} denotes the entry in the i {\displaystyle
Symmetric_matrix
matrices with the same number of columns and rows. The main diagonal of a square matrix is the diagonal joining the upper left corner and the lower right one
List_of_named_matrices
Logic-based number-placement puzzle
extra "dimension"; the most common is to require the numbers in the main diagonals of the grid to also be unique. The aforementioned "Number Place Challenger"
Sudoku
Form of a matrix indicating its eigenvalues and their algebraic multiplicities
Each Jordan block contains one number λi on its main diagonal, and 1s directly above the main diagonal. The λis are the eigenvalues of the matrix; they
Jordan_normal_form
Concepts from linear algebra
with entries only along the main diagonal are called diagonal matrices. The eigenvalues of a diagonal matrix are the diagonal elements themselves. Consider
Eigenvalues_and_eigenvectors
Mathematical technique in spectroscopic analysis
these main diagonal peaks are also called autopeaks and the main diagonal signal is referred to as autocorrelation signal. The off-diagonal cross-peaks
Two-dimensional correlation analysis
Two-dimensional_correlation_analysis
For a square matrix, the transpose of the cofactor matrix
of a matrix with its adjugate gives a diagonal matrix (entries not on the main diagonal are zero) whose diagonal entries are the determinant of the original
Adjugate_matrix
Matrix in which most of the elements are zero
efficiently by storing just the entries in the main diagonal as a one-dimensional array, so a diagonal n × n matrix requires only n entries in memory
Sparse_matrix
Matrix with non-zero elements only in a diagonal band
whose non-zero entries are confined to a diagonal band, comprising the main diagonal and zero or more diagonals on either side. Formally, consider an n×n
Band_matrix
Mathematical operation in linear algebra
square matrices whose entries are zero outside of the main diagonal and 1 on the main diagonal) are identity elements of the matrix product. It follows
Matrix_multiplication
Matrix operation which flips a matrix over its diagonal
be constructed by any of the following methods: Reflect A over its main diagonal (which runs from the top left to the bottom right) to obtain AT Write
Transpose
Process in bioinformatics that identifies equivalent sites within molecular sequences
closely related sequences will appear as a single line along the matrix's main diagonal. Problems with dot plots as an information display technique include:
Sequence_alignment
Topics referred to by the same term
a construction of a diagonal matrix (with nonzero entries only on the main diagonal) that is similar to a given matrix Diagonal argument (disambiguation)
Diagonalization
Computer graphics rendering algorithm
we now have nineteen edges: the original twelve, six face diagonals, and the main diagonal. Just like in marching cubes, the intersections of these edges
Marching_tetrahedra
Topics referred to by the same term
that leaves its argument unchanged Identity matrix, with ones on the main diagonal, zeros elsewhere Digital identity, information used by computer systems
Identity
Rational number sequence
main diagonal is zeroes = OEIS: A000004, the autosequence is of the first kind. Example: OEIS: A000045, the Fibonacci numbers. If the main diagonal is
Bernoulli_number
Matrix representation of a graph
Graph self-loops, manifesting themselves by non-zero entries on the main diagonal of the adjacency matrix, are allowed but do not affect the graph Laplacian
Laplacian_matrix
Check digit algorithm
Verhoeff scheme. A table of inverses can also be dispensed with when all main diagonal entries of the operation table are zero. The Damm algorithm generates
Damm_algorithm
entries along the main diagonal and either the diagonal above or the diagonal below. This means there are exactly two non-zero diagonals in the matrix. When
Bidiagonal_matrix
Random process independent of past history
where I is the identity matrix and diag(Q) is the diagonal matrix formed by selecting the main diagonal from the matrix Q and setting all other elements
Markov_chain
Conversion of a matrix or a tensor to a vector
Kronecker product ∗ {\textstyle \ast } (see Khatri-Rao product) and the main diagonal b = [ b 1 , … , b n ] T {\textstyle b={\begin{bmatrix}b_{1},\dots
Vectorization_(mathematics)
Elementwise product of two matrices
For vectors x and y and corresponding diagonal matrices Dx and Dy with these vectors as their main diagonals, the following identity holds: x ∗ ( A ⊙
Hadamard_product_(matrices)
Shape with six sides
{3}}}} times the apothem (radius of the inscribed circle). The longest diagonals of a regular hexagon, connecting diametrically opposite vertices, are
Hexagon
Stream ciphers
QR(0, 5, 10, 15) // diagonal 1 (main diagonal) QR(1, 6, 11, 12) // diagonal 2 QR(2, 7, 8, 13) // diagonal 3 QR(3, 4, 9, 14) // diagonal 4 ChaCha20 uses 10
Salsa20
Form of a matrix
{\textstyle {\frac {1}{2}}n(n-1)} scalars (the number of entries above the main diagonal); a symmetric matrix is determined by 1 2 n ( n + 1 ) {\textstyle {\frac
Skew-symmetric_matrix
Improved reduction for specific matrices
..., X - 1] a[] = subdiagonal, indexed from [1, ..., X - 1] b[] = main diagonal, indexed from [0, ..., X - 1] c[] = superdiagonal, indexed from [0,
Tridiagonal_matrix_algorithm
Topics referred to by the same term
interval, an interval of distance 1 Unit matrix, a diagonal matrix such that all elements on the main diagonal are 1 and all the others are zero Unit round-off
Unit
Graphical plot
obviously have a diagonal line in the center of the matrix. Insertions and deletions between sequences give rise to disruptions in this diagonal. Regions of
Dot_plot_(bioinformatics)
properties:[citation needed] all entries on the main diagonal are ones the entries below the main diagonal of at most one column are arbitrary every other
Frobenius_matrix
Every set is smaller than its power set
x\in y} . Given the order chosen for the row and column labels, the main diagonal D {\displaystyle D} of this table thus records whether x ∈ f ( x ) {\displaystyle
Cantor's_theorem
N-dimensional gradient noise function
simplex noise starts with a hypercubic honeycomb and squashes it down the main diagonal in order to form its grid structure, OpenSimplex noise instead swaps
OpenSimplex_noise
Array in complex analysis
continued fractions and Padé tables with normal approximants along the main diagonal: the "stairstep" sequence of Padé approximants R0,0, R1,0, R1,1, R2
Padé_table
Decomposition of an integer as a sum of positive integers
restrictions. If we flip the diagram of the partition 6 + 4 + 3 + 1 along its main diagonal, we obtain another partition of 14: By turning the rows into columns
Integer_partition
where D {\displaystyle D} is an n × n diagonal matrix with the eigenvalues of A {\displaystyle A} on the main diagonal of D {\displaystyle D} and zeros elsewhere
Modal_matrix
Topics referred to by the same term
pitch Main diagonal, the entries of a matrix whose row and column indices are the same Diagonal matrix, a matrix whose entries off the main diagonal are
Diagonal_(disambiguation)
Matrix representing a Euclidean rotation
two-dimensional subspaces, at most n/2 of them. The sum of the entries on the main diagonal of a matrix is called the trace; it does not change if we reorient the
Rotation_matrix
Board game variant from Tanzania
draw if one player has three kings (with at least one controlling the main diagonal) and the opponent has one king. 12-Move Rule: In the scenario above
Tanzanian_draughts
Vector satisfying some of the criteria of an eigenvector
that is, immediately below the main diagonal instead of on the superdiagonal. The eigenvalues are still on the main diagonal. Every n × n matrix A {\displaystyle
Generalized_eigenvector
Region of the Cartesian plane bounded by a hyperbola and two radii
triangles, projecting from a point on the hyperbola xy = 1 onto the main diagonal, in his article "Note on the addition theorem for hyperbolic functions"
Hyperbolic_sector
Smooth approximation of one-hot arg max
that all output sum to 1 meaning it lies on a hyperplane. Along the main diagonal ( x , x , … , x ) , {\displaystyle (x,\,x,\,\dots ,\,x),} softmax is
Softmax_function
Square matrix symmetric about its anti-diagonal
northeast-to-southwest diagonal (anti-diagonal); or a square matrix such that the values on each line perpendicular to the main diagonal are the same for a
Persymmetric_matrix
Type of permutation
autosequence of the first kind (the main diagonal is OEIS: A000004). The corresponding array is: The first two upper diagonals are −1 3 −24 402... = (−1)n +
Alternating_permutation
Property of a mathematical matrix
a real diagonal matrix whose main diagonal contains the corresponding eigenvalues. The matrix M {\displaystyle M} may be regarded as a diagonal matrix
Definite_matrix
Algorithm for shuffling a finite sequence
for most elements, ending up in their original position (the matrix's main diagonal) has lowest probability, and moving one slot backwards has highest probability
Fisher–Yates_shuffle
Measure of variation in statistics
x3) in R3. Consider the line L = {(r, r, r) : r ∈ R}. This is the "main diagonal" going through the origin. If our three given values were all equal
Standard_deviation
Square of numbers with equal row, column and diagonal totals
integers, where the sums of the numbers in each row, each column, and both main diagonals are the same. The order of a magic square is the number of integers
Magic_square
Group of symmetries of the square
can be seen from the table; the table is not symmetrical about the main diagonal. There are five different groups of order 8. Three of them are abelian:
Dihedral_group_of_order_8
Strategy board game
jumps made by a single piece; the jumps do not need to be on the same diagonal direction and may "zigzag" (change direction). In American checkers and
Checkers
Description of continuous random distribution
n}\end{bmatrix}},} which is an upper triangular matrix with ones on the main diagonal, therefore its determinant is 1. Applying the change of variable theorem
Probability_density_function
Construction for n-dimensional noise functions
arrangement of a hypercubic honeycomb that has been squashed along its main diagonal until the distance between the points (0, 0, ..., 0) and (1, 1, ...
Simplex_noise
Mathematical graph relating to chess
subgroup, there are also positions where the queens occupy squares on the main diagonal only (e.g. from a1 to h8), or all on a subdiagonal (e.g. from a2 to
Queen's_graph
Square matrix whose off-diagonal entries are nonnegative
nonnegative if all of its elements are non-negative except for those on the main diagonal, which are unconstrained. That is, a Metzler matrix is any matrix A
Metzler_matrix
Problem in computer science
using f. The construction of the function g can be visualized using the main diagonal of this array. If the array has a 0 at position (i,i), then g(i) is
Halting_problem
{\displaystyle \mathrm {inv} _{k}} if restricted to blocks along the main diagonal, or by Y ^ k ℓ {\displaystyle {\hat {Y}}_{k\ell }} if considering the
Partial_inverse_of_a_matrix
Mathematical tool in group theory
function for that symbol. (Note that e is in every position down the main diagonal, which gives us the identity matrix for 6x6 matrices in this case, as
Cayley_table
Methods of constructing magic squares
arbitrarily placed in the main diagonal or the skew diagonal (and correspondingly along the skew diagonal or the main diagonal for the Latin squares), we
Constructions of magic squares
Constructions_of_magic_squares
Equations governing time evolution of physical systems
do not appear in the summation. This allows calculations even if the main diagonal of A {\displaystyle \mathbf {A} } is not defined or has been assigned
Master_equation
Aligning molecular sequences using sequence and structural information
residues that are contiguous in sequence appear on the matrix's main diagonal; other diagonals in the matrix reflect spatial contacts between residues that
Structural_alignment
containing zeros in all entries except for the first row, first column, and main diagonal, these entries can be any number. In other words, the matrix has the
Arrowhead_matrix
Measure of the joint variability
vectors whose covariance matrix is zero in every entry outside the main diagonal are also called uncorrelated. If X {\displaystyle X} and Y {\displaystyle
Covariance
Statistic measuring inter-rater agreement for categorical items
and B are readers, data on the main diagonal of the matrix (a and d) count the number of agreements and off-diagonal data (b and c) count the number
Cohen's_kappa
Type of mathematical object
property that the sum of the upper-left and lower-right elements (on the main diagonal) is less than or equal to the sum of the lower-left and upper-right
Monge_array
Mathematical operation on vectors in 3D space
two diagonals of Sarrus's scheme (those containing i), or to remember the xyzzy sequence. Since the first diagonal in Sarrus's scheme is just the main diagonal
Cross_product
American mathematician
doctorate in 1952. Her dissertation, Bounds for Determinants with Dominant Main Diagonal, was supervised by Alfred Brauer. In 1951, Haynsworth took a faculty
Emilie_Virginia_Haynsworth
Topics referred to by the same term
have occurred. Trace (linear algebra), the sum of the elements on the main diagonal of a square matrix or a linear transformation Field trace, a particular
Trace
Matrix decomposition method
{C} ^{*}} of a positive definite matrix, if S is a diagonal matrix that contains the main diagonal of C {\textstyle \mathbf {C} } , then A can be decomposed
Cholesky_decomposition
Type of similarity matrix in computational biology
two amino acids involved. These counts were used as entries below the main diagonal of the matrix A {\displaystyle A} . Since the vast majority of protein
Point_accepted_mutation
Matrix that, squared, equals itself
matrix. The trace of an idempotent matrix—the sum of the elements on its main diagonal—equals the rank of the matrix and thus is always an integer. This provides
Idempotent_matrix
Game playing card
Bingo" is completing any of the five rows, columns, or either of the main diagonals. In this case the possibility of multiple winning cards is unavoidable
Bingo_card
Commutative group (mathematics)
The group is abelian if and only if this table is symmetric about the main diagonal, which means that for all i , j = 1 , . . . , n {\displaystyle i,j=1
Abelian_group
Predictive filter
is a square matrix of dimension 2, with all main diagonal terms equal to 1, and the first super-diagonal terms equal to ΔT. The observation equation matrix
Alpha_beta_filter
Matrix with a multiplicative inverse
size of A, and tr(A) is the trace of matrix A given by the sum of the main diagonal. The sum is taken over s and the sets of all k l ≥ 0 {\displaystyle
Invertible_matrix
Spectral theorem Perron–Frobenius theorem List of matrices Diagonal matrix, main diagonal Diagonalizable matrix Triangular matrix Tridiagonal matrix Block
Outline_of_linear_algebra
Concept in statistics mathematics
three main parametrisation classes (in increasing order of complexity) are S, the class of positive scalars times the identity matrix; D, diagonal matrices
Multivariate kernel density estimation
Multivariate_kernel_density_estimation
Hypercomplex number system
Most off-diagonal elements of the table are antisymmetric, making it almost a skew-symmetric matrix except for the elements on the main diagonal, as well
Octonion
Progression-free set of numbers
possible on the main diagonal of an n × n {\displaystyle n\times n} chessboard so that all squares of the board are attacked. The set of diagonal squares that
Salem–Spencer_set
Second-order partial differential equation
and tesseral harmonics are depicted along the left-most column, the main diagonal, and elsewhere, respectively. (The negative order harmonics Y ℓ − m
Laplace's_equation
Continuous band of stars that appears on plots of stellar color versus brightness
In astronomy, the main sequence is a classification of stars which appear on plots of stellar color versus brightness as a continuous and distinctive band
Main_sequence
Mathematical table
commutative, a × b = b × a. Therefore, the table is symmetric across its main diagonal, and can be reduced to 45 entries by only showing entries a × b where
Multiplication_table
Structural design made of isolated members held in place by tension
l)\rightarrow (d,l,0)\rightarrow (l,0,d)} (rotational symmetry in the main diagonal of the cube). The distance s between any two neighboring vertices (0
Tensegrity
Chart of correlation statistics
h {\displaystyle h} th diagonal of Q {\displaystyle Q} . For example, the 0 {\displaystyle 0} th diagonal (the main diagonal) of Q {\displaystyle Q}
Correlogram
Matrix operation generalizing exponentiation of scalar numbers
evaluated at t = 1. When X is an n × n diagonal matrix then exp(X) will be an n × n diagonal matrix with each diagonal element equal to the ordinary exponential
Matrix_exponential
Theorem in linear algebra
O {\displaystyle O} denotes a zero matrix and the blocks along the main diagonal are square matrices. Collatz–Wielandt formula: for all non-negative
Perron–Frobenius_theorem
Additional 3×3 boxes are added within the main grid. Main diagonals unique – The cell values along both main diagonals must be unique, such as Sudoku X. Relative
Glossary_of_Sudoku
Radio technology devices
are complex, frequency dependent, numbers. The zeroes on the matrix main diagonal are a consequence of perfect matching – power input to any port is not
Power dividers and directional couplers
Power_dividers_and_directional_couplers
Convex polygon that contains an inscribed circle
vertices of the reference triangle. In a tangential hexagon ABCDEF, the main diagonals AD, BE, and CF are concurrent according to Brianchon's theorem. Circumgon
Tangential_polygon
MAIN DIAGONAL
MAIN DIAGONAL
Female
Welsh
Welsh form of Greek Maria, MAIR means "obstinacy, rebelliousness" or "their rebellion."
Boy/Male
Arabic, Muslim
Benefit
Surname or Lastname
English
English : nickname from Middle English digne, deyne ‘worthy’, ‘honorable’, or alternatively, as Reaney suggests, from Middle English dain(e) ‘haughty’, ‘reserved’ (Burgundian French doigne).English : variant of Dean.English : variant of Dane.French : nickname from Old French dain ‘agile’, ‘nimble’.Jewish : variant of Dayan.
Girl/Female
French American Greek Hebrew Latin
May. In Roman mythology Maia: (source of the month May) was goddess of spring growth.
Boy/Male
Muslim/Islamic
Cloud that carries rain
Female
Greek
(Μαία) Greek name MAIA means "nursing mother." In mythology, this is the name of the eldest of the Pleiades and mother of Hermês by Zeus.Â
Male
Scottish
Variant spelling of Scottish Gaelic Ian, IAIN means "God is gracious."
Female
Japanese
(舞) Japanese name MAI means "dance." Compare with another form of Mai.
Female
Swedish
Swedish contracted form of Latin Magdalena, MALIN means "of Magdala."
Female
English
Modern English name, either derived from from the vocabulary word, or a revival of the medieval English personal name Rayne, RAIN means "queen." Compare with masculine Rain.
Female
Vietnamese
 Vietnamese name MAI means "golden flower." Compare with another form of Mai.
Surname or Lastname
English, German, Dutch (De Mann), and Jewish (Ashkenazic)
English, German, Dutch (De Mann), and Jewish (Ashkenazic) : nickname for a fierce or strong man, or for a man contrasted with a boy, from Middle English, Middle High German, Middle Dutch man. In some cases it may have arisen as an occupational name for a servant, from the medieval use of the term to describe a person of inferior social status. The Jewish surname can be ornamental.English and German : from a Germanic personal name, found in Old English as Manna. This originated either as a byname or else as a short form of a compound name containing this element, such as Hermann.Jewish (Ashkenazic) : from the Yiddish male personal name Man (cognate with 1).Indian (Panjab) : Hindu (Jat) and Sikh name of unknown meaning.
Girl/Female
Indian
Proper name, Cloud that carries rain
Male
Hebrew
(×žÖ¸× Ö´×™) Pet form of Hebrew Menashsheh, MANI means "causing to forget" or "one who forgets." Compare with another form of Mani.
Surname or Lastname
Scottish
Scottish : Anglicized form of Gaelic Mac Iain, patronymic from Iain, one of the Gaelic forms of John. This name is found in many other spellings, including McCain, Kean, and McKean. In some cases it may also be a variant of Coyne.English : variant spelling of Cane.English (of Norman origin) : habitational name from Caen in Calvados, France, named with the Gaulish elements catu ‘battle’ + magos ‘field’, ‘plain’.French (Caïn) : from the Biblical name Cain (Hebrew Qayin), probably applied as a derogatory nickname for someone who was considered to be treacherous.Spanish (CaÃn) : habitational name from a place called CaÃn in León.
Male
German
German byname MANN means "a fierce strong man" or simply "man."
Male
Hindi/Indian
(मणि) Hindi name MANI means "jewel." Compare with another form of Mani.
Male
French
French form of Roman Latin Marinus, MARIN means "of the sea."
Boy/Male
Arabic, Hindu, Indian, Muslim, Sindhi
Cloud that Carries Rain; Prophet Name; Rain Clouds
Surname or Lastname
Scottish and northern English
Scottish and northern English : topographic name for a dweller at the chief farm (or home farm) on an estate, Scottish mains, or a habitational name from any of the various minor places named with this word (originally a shortened form of domain, later associated with the adjective main ‘principal’).English and Scottish : variant of Main 1–4.
MAIN DIAGONAL
MAIN DIAGONAL
Boy/Male
Indian
King
Boy/Male
Arabic
Servant of the Extender; Creator
Boy/Male
Hindu, Indian
Lord Vishnu
Girl/Female
Indian
Perfume, Ambergris
Surname or Lastname
English
English : unexplained.
Female
Norse
 Variant form of Old Norse Eir, EIRA means "help, mercy." Compare with another form of Eira.
Boy/Male
Native American
Talking bird.
Girl/Female
Tamil
Susmera | ஸà¯à®¸à¯à®®à¯‡à®°à®¾
Full of smiles
Boy/Male
Afghan, Arabic, German, Hebrew, Muslim, Vietnamese
With Raising Tone; Audience
Girl/Female
Russian
Love of the people.
MAIN DIAGONAL
MAIN DIAGONAL
MAIN DIAGONAL
MAIN DIAGONAL
MAIN DIAGONAL
n.
A main-hamper.
n.
Vanity; emptiness; -- now used only in the phrase in vain.
n.
To come off winner or victor in; to be successful in; to obtain by competition; as, to gain a battle; to gain a case at law; to gain a prize.
n.
A genus of spider crabs, including the common European species (Maia squinado).
n.
To reach; to attain to; to arrive at; as, to gain the top of a mountain; to gain a good harbor.
v. i.
To have or receive advantage or profit; to acquire gain; to grow rich; to advance in interest, health, or happiness; to make progress; as, the sick man gains daily.
n.
A man who has not had sexual intercourse.
a.
Very; extremely; as, main heavy.
v. t.
To deliver into the custody of the postoffice officials, or place in a government letter box, for transmission by mail; to post; as, to mail a letter.
n.
Any spider crab of the genus Maia, or family Maiadae.
n.
A married man; a husband; -- correlative to wife.
v. t.
To arm with mail.
v. t.
To pour or shower down from above, like rain from the clouds.
superl.
Destitute of forge or efficacy; effecting no purpose; fruitless; ineffectual; as, vain toil; a vain attempt.
n.
A beautiful American bombycid moth (Eucronia maia).
n.
That which comes in the mail; letters, etc., received through the post office.
v.
The chief or principal part; the main or most important thing.
v. t.
To bestow in a profuse or abundant manner; as, to rain favors upon a person.
a.
So tight as to exclude rain; as, a rain-tight roof.
v.
principal duct or pipe, as distinguished from lesser ones; esp. (Engin.), a principal pipe leading to or from a reservoir; as, a fire main.