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Object that blocks one's way or prevents or hinders progress
An obstacle (also called a barrier, impediment, or stumbling block) is an object, thing, action or situation that causes an obstruction. A obstacle blocks
Obstacle
Series of physical obstacles, navigated for sport
An obstacle course is a series of challenging physical obstacles an individual, team or animal must navigate, usually while being timed. Obstacle courses
Obstacle_course
Defensive obstacles made from barbed wire
In the military science of fortification, wire obstacles are defensive obstacles made from barbed wire, barbed tape or concertina wire. They are designed
Wire_obstacle
2002 single by Interpol
"Obstacle 1" is a song by American rock band Interpol. It was released as the second single from their debut studio album, Turn on the Bright Lights, on
Obstacle_1
2014 book by Ryan Holiday
The Obstacle Is the Way: The Timeless Art of Turning Trials into Triumph is the third book by author Ryan Holiday. It was published in 2014. Holiday offers
The_Obstacle_Is_the_Way
2002 debut studio album by Interpol
Billboard Independent Albums chart, peaking at No. 5. The songs "PDA", "Obstacle 1" and the double A-side single "Say Hello to the Angels" / "NYC" were
Turn_On_the_Bright_Lights
Anti-tank obstacles include, but are not limited to: The Czech hedgehog, dragon's teeth and cointet-element, all sometimes called "tank traps", are the
Anti-tank_obstacles
Temporary inflatable structure for play
rental industry that includes inflatable slides, inflatable water slides, obstacle courses, and giant games, carnival games, and more. Inflatable castles
Inflatable_castle
Sports discipline
Obstacle course racing (OCR) is a sport in which a competitor, traveling on foot, must overcome various physical challenges in the form of obstacles. Races
Obstacle_course_racing
Capability in robotics
Obstacle avoidance, in robotics, is a critical aspect of autonomous navigation and control systems. It is the capability of a robot or an autonomous system/machine
Obstacle_avoidance
Obstacle race competitions at the 2023 SEA Games were held at the Chroy Changvar Convention Centre from 3 May to 6 May 2023 and the game featured 4 events
Obstacle racing at the 2023 SEA Games
Obstacle_racing_at_the_2023_SEA_Games
Management of the flow of resources
Logistics is the part of supply chain management that deals with the efficient forward and reverse flow of goods, services, and related information from
Logistics
Obstacles to troop movement represent either natural, human habitat originated, constructed, concealed obstacles, or obstructive impediments to movement
Obstacles_to_troop_movement
Air regulation
Obstacle Clearance Altitude, or MOCA, is the lowest published altitude in effect between fixes on VOR airways or route segments that meets obstacle (like
Minimum obstacle clearance altitude
Minimum_obstacle_clearance_altitude
Items jumped over by horses in some equestrian sports
Many types of obstacles are found in competitive horse jumping sports such as show jumping, hunter classes, and the cross-country phase of eventing. The
Horse_jumping_obstacles
International sports governing body
World Obstacle, institutional name Fédération Internationale de Sports d'Obstacles (FISO), is the international governing body for obstacle sports and
World_Obstacle
Motivating example in mathematical study
The obstacle problem is a classic motivating example in the mathematical study of variational inequalities and free boundary problems. The problem is to
Obstacle_problem
The Obstacle Collision Avoidance System (OCAS) is designed to alert pilots if their aircraft is in immediate danger of flying into an obstacle. OCAS uses
Obstacle Collision Avoidance System
Obstacle_Collision_Avoidance_System
Department of Physical Education fitness test
The Indoor Obstacle Course Test (IOCT) is a test of full-body functional physical fitness administered by the Department of Physical Education (DPE) at
Indoor_Obstacle_Course_Test
American explosive line charge
anti-personnel obstacle breaching system (APOBS) is an explosive line charge system that allows safe breaching through complex antipersonnel obstacles, particularly
Anti-personnel obstacle breaching system
Anti-personnel_obstacle_breaching_system
American author (born 1987)
techniques. Since then, he has published a number of other books including The Obstacle Is the Way (2014) and Ego Is the Enemy (2016). Holiday was born in Sacramento
Ryan_Holiday
Term in robotics and motion planning
In robotics and motion planning, a velocity obstacle, commonly abbreviated VO, is the set of all velocities of a robot that will result in a collision
Velocity_obstacle
Five-event Olympic sport
fencing (one-touch épée followed by direct elimination), freestyle swimming, obstacle course racing, laser pistol shooting, and cross country running. The sport
Modern_pentathlon
Obstacle race in athletics
A steeplechase is an obstacle race in athletics which derives its name from the steeplechase in horse racing. The foremost version of the event is the
Steeplechase_(athletics)
Device at the front of a locomotive to deflect an obstacle from the track
pilot, is the device mounted at the front of a locomotive to deflect obstacles on the track that might otherwise damage or derail it or the train. In
Cowcatcher
2005 Japanese TV series or program
Viking: The Ultimate Obstacle Course (海筋肉王 ～バイキング～, Kaikinnikuō ~Baikingu~; literally Sea Muscle King Viking), sometimes abbreviated to Viking: TUOC, is
Viking: The Ultimate Obstacle Course
Viking:_The_Ultimate_Obstacle_Course
American second generation main battle tank
upgraded engine and 2 Tzmed tandem bridge sections. XM1060 ROBAT (Robotic Obstacle Breaching Assault Tank): A former M60A3 tank without its turret configured
M60_tank
Obstacle departure procedure (ODP) is a type of departure procedure that provides obstruction clearance via the least onerous route from an airport to
Obstacle_departure_procedure
each for 100 meters with 10 obstacles, 400 meters with 12 obstacles and 5 km with 20 obstacles. These were the first obstacle course racing events in Games
Obstacle racing at the 2019 SEA Games
Obstacle_racing_at_the_2019_SEA_Games
Sport of swimming through an obstacle course
Obstacle swimming is a sport in which competitors swim through a water course that includes obstacles that impede their path between the starting and
Obstacle_swimming
Tall structure which can endanger air traffic
An Air traffic obstacle is a tall structure which can endanger air traffic. Air traffic obstacles have to be marked in most cases with red and white colored
Air_traffic_obstacle
American television game show (2008–2014)
features contestants competing in (what was billed as) the "World's Largest" obstacle course which originally aired on ABC from June 24, 2008, to September 7
Wipeout_(2008_game_show)
Policies intended to restrict trade between two countries
A trade restriction is an artificial restriction on the trade of goods and/or services between two or more countries. It is the byproduct of protectionism
Trade_restriction
Athletic training discipline
abilities of their bodies to interact with obstacles in any given environment. With roots in military obstacle course training and martial arts, parkour
Parkour
Indian obstacle course race
Devils Circuit is an Indian obstacle course race consisting of a 5-kilometre track with 15 military-style obstacles. The race is divided into three categories:
Devils_Circuit
Volume of airspace below 150 feet and above the established airport elevation
The obstacle-free zone (OFZ) is a 3D volume of airspace below 150 feet (46 m), above the established airport elevation which protects for the transition
Obstacle-free_zone
Trail that combines running and exercising
An assault course (also called a confidence course or obstacle course) is a trail (or course) that combines running and exercising. It is often used in
Assault_course
Competitive training system
consecutive stages: the first stage is an obstacle course with close quarters battle – any missed obstacle disqualifies the contestant; the second stage
Unifight
Field fortification made of sharpened trees
abatis, abattis, or abbattis is a field fortification consisting of an obstacle formed of the branches of trees laid in a row, with the sharpened tops
Abatis
Season of American reality/sport competition television series American Ninja Warrior
competitors could choose one of two obstacles to do for the third obstacle in qualifying courses and the ninth obstacle in semifinal courses. In the National
American Ninja Warrior season 13
American_Ninja_Warrior_season_13
Contains data on man-made obstacles
The Digital Obstacle File (DOF) describes all known obstacles of interest to aviation users in the United States, with limited coverage of the Pacific
Digital_Obstacle_File
3–5K obstacle course adventure run
(RFYL) is a 3-5K obstacle course adventure run series created by Maryland-based Reed Street Productions (RSP). Like other obstacle races, runners navigate
Run for Your Lives (obstacle racing)
Run_for_Your_Lives_(obstacle_racing)
Season of American reality/sport competition television series American Ninja Warrior
on the four-obstacle course with the winners earning the last spot in the semifinals. Denotes obstacles created by fans for the Obstacle Design Challenge
American Ninja Warrior season 16
American_Ninja_Warrior_season_16
Swirling and reverse current in a turbulent flow regime
the obstacle flows into the void creating a swirl of fluid on each edge of the obstacle, followed by a short reverse flow of fluid behind the obstacle flowing
Eddy_(fluid_dynamics)
activities, a vault is any type of movement that involves overcoming an obstacle by some combination of jumping, climbing or diving. Although parkour does
Vault_(urban_movement)
The men's 200 metre obstacle event was an obstacle swimming event in the 1900 Summer Olympics held in Paris. It was held on 11 August and 12 August 1900
Swimming at the 1900 Summer Olympics – Men's 200 metre obstacle event
Swimming_at_the_1900_Summer_Olympics_–_Men's_200_metre_obstacle_event
American competition television series
Challenge. It features a set of obstacle courses in various cities, which competitors attempt to conquer. The obstacle courses are divided into Qualifiers
American_Ninja_Warrior
Ammunition that starts fires on impact
type of ammunition that contains a chemical that, upon hitting a hard obstacle, has the characteristic of causing fire/setting flammable materials in
Incendiary_ammunition
Defensive obstacle
Friesian horse) is a defensive obstacle, existing in a number of forms, principally as a static anti-cavalry obstacle but also quickly movable to close
Cheval_de_frise
Aircraft pilot aid
required for terrain and obstacle clearance. MORAs give at least 1,000 feet altitude clearance above terrain and obstacles such as radio masts, and 2
Minimum_off-route_altitude
Historically important optical effect
the circular obstacle. When light shines on the circular obstacle, Huygens' principle says that every point in the plane of the obstacle acts as a new
Arago_spot
Concept of knowledge theory
epistemological obstacles, and then the subsequent tearing down of the obstacles. This latter stage is an epistemological rupture—where an unconscious obstacle to
Epistemological_rupture
Obstacle racing
Obstacle course racing has been contested at the Southeast Asian Games since the thirtieth Southeast Asian Games in 2019. It was not held in the 2021 edition
Obstacle racing at the SEA Games
Obstacle_racing_at_the_SEA_Games
Series of obstacle races
Spartan Race is a series of obstacle races of varying difficulty, ranging from 3 miles to ultra-marathon distances of 50k+. These races are held in the
Spartan_Race
Combined sporting event of five contests
into a five event competition. The five events are: shooting, obstacle running, obstacle swimming, throwing, and cross country running. The sport is governed
Pentathlon
Season of American reality/sport competition television series American Ninja Warrior
featured Split Decision for the third obstacle in qualifiers, in which competitors could choose one of two obstacles to pass. This season marks the return
American Ninja Warrior season 14
American_Ninja_Warrior_season_14
Second World War anti-tank scaffolding
also known as Obstacle Z.1, or sometimes simply as beach scaffolding or anti-tank scaffolding, was a British anti-tank and anti-boat obstacle design made
Admiralty_scaffolding
American stunt performer (born 1984)
gymnast. Graff has become well known for her athletic achievements on the obstacle course show American Ninja Warrior. In 2016, she became the first woman
Jessie_Graff
Chinese game show
are always 2 obstacles for all the players.[citation needed] In the current episodes, the obstacles are listed as follows: In this obstacle, contestant
Nan sheng nü sheng xiang qian chong
Nan_sheng_nü_sheng_xiang_qian_chong
Horse race form originally from Ireland, featuring jumps over fence and ditch obstacles
race in which competitors are required to jump diverse fence and ditch obstacles. Steeplechasing is primarily conducted in Ireland (where it originated)
Steeplechase_(horse_racing)
Protective gear worn on knees
protect them against impact injury from falling to the ground or hitting an obstacle, or to provide padding for extended kneeling.Their primary purpose is to
Knee_pad
Season of American reality/sport competition television series American Ninja Warrior
last two obstacles. At the end of the night, the two fastest finishers will run on a Safety Pass course, which replaces some of the obstacles from Semifinals
American Ninja Warrior season 15
American_Ninja_Warrior_season_15
Soldier who performs military engineering
construction and breaching of trenches, tank traps and other obstacles and fortifications; obstacle emplacement and bunker construction; route clearance and
Combat_engineer
The results are listed according to who went furthest, along with the obstacle and stage they failed to complete. In the 10th competition, the number
List_of_Sasuke_competitions
list of Obstacle course racing (OCR) events/series across the world. Davis, Matt B. (23 August 2016). "BattleFrog cancels all races". Obstacle Racing Media
List of obstacle course racing events
List_of_obstacle_course_racing_events
American game show
Ultimate Tag is an American sports entertainment obstacle course competition television series that aired on Fox from May 20 to July 29, 2020. The format
Ultimate_Tag
Aircraft obstacle avoidance systems
obstruction lighting is used to enhance the visibility of structures or fixed obstacles which may conflict with the safe navigation of aircraft. Obstruction lighting
Aviation_obstruction_lighting
Japanese game show competitor
in completing the obstacle courses. He can also be seen on the lesser known spinoff to Ninja Warrior, Viking: The Ultimate Obstacle Course, where he was
Makoto_Nagano
British anti-tank obstacle
Buoy is a British type of anti-tank obstacle used to block roads intended to impede enemy movement. Buoys were widely deployed during the invasion crisis
Buoy_anti-tank_obstacle
French philosopher
latter, he introduced the concepts of epistemological obstacle and epistemological break (obstacle épistémologique and rupture épistémologique). He influenced
Gaston_Bachelard
American professional wrestler, gymnast and television personality (born 1990)
14, 1990) is an American professional wrestler and a former gymnast and obstacle racer. She is known for her time in WWE, where she performed under the
Kacy_Catanzaro
Hindu prayers for peace
be for the removal of obstacles in the following three realms: The physical or ādhibhautika realm can be a source of obstacles coming from the external
Shanti_Mantras
Annual obstacle course race in Canada and the US
Rugged Maniac, also known as the Mud Run, was an annual obstacle course race, which was hosted in multiple cities across the United States and Canada in
Rugged_Maniac
Polygonal region of all points visible from a given point in a plane
visibility polygon or visibility region for a point p in the plane among obstacles is the possibly unbounded polygonal region of all points of the plane
Visibility_polygon
Athletic endurance event series
10-to-12-mile-long (16 to 19 km) obstacle courses. It was co-founded by Will Dean and Guy Livingstone. The obstacles often play on common human fears
Tough_Mudder
and riders in western-style attire and horse tack navigate a series of obstacles. Contestants ride the course one at a time. Originally designed to resemble
Trail_(horse_show)
Russian cross-country obstacle race
extreme cross-country obstacle race held in Russia by the Heroleague organization. The project is curated by Ksenia Shoygu. The obstacle courses at military
HeroRace
Deliberate destruction of underwater obstacles
deliberate destruction or neutralization of man-made or natural underwater obstacles, both for military and civilian purposes. In 1839 Charles Pasley, at the
Underwater_demolition
Soviet/Russian air-launched military rocket
fuse, is able to penetrate obstacles facing the set targets, it can also explode in front of the obstacle and behind the obstacle. The S-8OFP entered service
S-8_(rocket)
Mascot of the Michelin tyre company
say: To your health. The Michelin tire absorbs (literally "drinks") the obstacle"; see illustration). The character's glass is filled with nails and broken
Michelin_Man
Hindu philosophical concept
Kasaya is attachment to worldly objects and is an obstacle in the path leading to Nirvikalpa Samadhi: it is overcome through viveka, discrimination. Kasaya
Kasaya_(attachment)
Altitude that is at least 500 feet above any obstacle or terrain
where any obstacle thereon is less than 360 feet above the terrain, or there is no charted obstacle. LSALT is 1000 feet above the highest obstacle which is
Lowest_safe_altitude
Japanese television series
target remaining. The second category were skill-based obstacles courses that featured 9 obstacles, called the 9 Area system. Higuchi's initial concept
Kinniku_Banzuke
At those speeds, no obstacle is identified before the speed of sound which makes the molecule return after sensing the obstacle. While returning, the
Thermodynamic relations across normal shocks
Thermodynamic_relations_across_normal_shocks
2002 single by Interpol
directed by Christopher Mills. Unlike the two singles that followed; "Obstacle 1" and "Say Hello to the Angels" / "NYC", "PDA" did not chart. The song
PDA_(Interpol_song)
2016 book by Ryan Holiday
about external obstacles in his book The Obstacle Is the Way, Holiday sought to answer questions about what to do when the biggest obstacle is internal.
Ego_Is_the_Enemy
Alert system meant to prevent pilots from flying or taxiing into obstacles
their aircraft is in immediate danger of flying into the ground or an obstacle. The United States Federal Aviation Administration (FAA) defines GPWS as
Ground proximity warning system
Ground_proximity_warning_system
Japanese sports entertainment game show
a group of competitors attempt to complete a four-stage obstacle course. Falling any obstacle, falling in the water, running out of time or losing a head-to-head
Ninja_Warrior_(franchise)
Counter-Strike game mode
series of first-person shooter video games. Consisting of custom-created obstacle course levels known as surf maps, players make use of a physics engine
Counter-Strike_surfing
Graph of intervisible locations in computational geometry
polygonal obstacles in the plane: the shortest path between two obstacles follows straight line segments except at the vertices of the obstacles, where it
Visibility_graph
American writer and activist (1924–1987)
Giovanni's Room). His characters typically face internal and external obstacles in their search for self- and social acceptance. Baldwin's work continues
James_Baldwin
British runner
Jonathan Albon (born 19 April 1989) is a British sky runner and obstacle course racer who has won three Skyrunner World Series. Originally from Great Dunmow
Jonathan_Albon
Type of barbed wire
and steel pickets, it is most often used to form military-style wire obstacles. It is also used in non-military settings, such as when used in prison
Concertina_wire
Grouping used for air traffic control
approaches a runway for landing. They are used to determine airspace, obstacle clearance and visibility requirements for instrument approaches. The International
Aircraft_approach_category
American game show
their money. The course consists of eight obstacles that have to be completed within 60 seconds. Each obstacle has an orange flag either at its end or hidden
Double_Dare_(franchise)
Explosive charge to clear obstacles
one or several connected tubes. It is used by combat engineers to clear obstacles that would otherwise require them to approach directly, possibly under
Bangalore_torpedo
Point of highest tension in narrative
where the protagonist finally faces the greatest challenge or the ultimate obstacle, leading to the resolution or transformation. In terms of structure, climax
Climax_(narrative)
French rope climber
Anouk Garnier is a French obstacle course runner, sports coach, fitness trainer and rope climber. She has specialized in obstacle course racing (OCR) for
Anouk_Garnier
Structure to channel water past an obstacle
A culvert is a structure that channels water past an obstacle or to a subterranean waterway. Typically embedded so as to be surrounded by soil, a culvert
Culvert
Series of teleoperated compact quadcopter drone models
of 30 minutes. To minimize weight, the Mavic Mini does not include an obstacle avoidance system, though it does include geofencing technology and AeroScope
DJI_Mini
OBSTACLE
OBSTACLE
Boy/Male
Tamil
Vighnarajendra | விகà¯à®¨à®¾à®°à®œà¯‡à®¨à¯à®¤à¯à®°Â
Lord of all obstacles
Vighnarajendra | விகà¯à®¨à®¾à®°à®œà¯‡à®¨à¯à®¤à¯à®°Â
Boy/Male
Tamil
Winner over obstacles
Boy/Male
Tamil
Vighnahara | விகà¯à®¨à®¾à®¹à®°à®¾Â
Remover of obstacles
Vighnahara | விகà¯à®¨à®¾à®¹à®°à®¾Â
Boy/Male
Hindu
Remover of obstacles
Boy/Male
Tamil
Vighna Vinashanaya | விகà¯à®¨à®µà®¿à®¨à®¾à®·à®¾à®¨à®¾à®¯à®¾Â
Destroyer of all obstacles & impediments
Vighna Vinashanaya | விகà¯à®¨à®µà®¿à®¨à®¾à®·à®¾à®¨à®¾à®¯à®¾Â
Boy/Male
Hindu
No obstacles, Calm
Boy/Male
Tamil
Vignaharta | விகà¯à®¨à®¾à®¹à®¾à®°à®¤à®¾Â
Demolisher of obstacles
Vignaharta | விகà¯à®¨à®¾à®¹à®¾à®°à®¤à®¾Â
Girl/Female
Indian
No obstacles
Girl/Female
Tamil
Avigna | அவிகà¯à®¨à®¾
No obstacles
Avigna | அவிகà¯à®¨à®¾
Girl/Female
Tamil
Vignya | விகà¯à®¨à¯à®¯
Obstacle
Vignya | விகà¯à®¨à¯à®¯
Boy/Male
Hindu
Remover of obstacles
Boy/Male
Hindu
Lord Ganesh, Remover of obstacles
Boy/Male
Hindu
No obstacles, Calm, Happy, Goddess of wealth
Girl/Female
Tamil
Equal, Removal of obstacles, Etc
Boy/Male
Sikh
Winner over obstacles
Boy/Male
Hindu
Lord Ganesh, Remover of obstacles
Boy/Male
Tamil
Vigneshwara | விகà¯à®¨à¯‡à®·à¯à®µà®¾à®°à®¾Â
Lord of all obstacles
Vigneshwara | விகà¯à®¨à¯‡à®·à¯à®µà®¾à®°à®¾Â
Boy/Male
Tamil
Lord Ganesh, Remover of obstacles
Surname or Lastname
English
English : apparently a habitational name from Lipyeate in Somerset or Lypiatt in Gloucestershire, both named from Old English hlīepgeat ‘leap-gate’, a gate which was low enough to be jumped by horses and deer but presented an obstacle to sheep and cattle.
Boy/Male
Tamil
Lord Ganesh, Remover of obstacles
OBSTACLE
OBSTACLE
Girl/Female
English
which is a.
Girl/Female
American, British, English, German, Greek, Hebrew, Italian
My God is an Oath; From the Blessed Isles; Form of Alice; Noble; Nobility; God's Promise
Boy/Male
Christian & English(British/American/Australian)
Warrior
Girl/Female
Indian
Colourful; Joyful
Boy/Male
Tamil
Hari Prasad | ஹரிபà¯à®°à®¸à®¾à®¤Â
Blessed by Lord Krishna
Girl/Female
Tamil
Naishadha | நைஷாதா
King Nala, A hero from the mahabharata who was king of nishadha, A open
Female
Irish
Variant spelling of Irish Meghan, MEAGHAN means "pearl."
Boy/Male
Tamil
Nine treasures, One who is blessed with nine treasures
Girl/Female
Hindu
Light, Keen intellect
Boy/Male
Hindu, Indian, Sanskrit, Telugu
One who Takes Joy in Being Merciful
OBSTACLE
OBSTACLE
OBSTACLE
OBSTACLE
OBSTACLE
a.
Tending to obstruct; presenting obstacles; hindering; causing impediment.
n.
That which obstructs or impedes; an obstacle; an impediment; a hindrance.
v. t.
To pass or pierce through as a narrow way; also, to effect or make, as one's way, through or between obstacles; to thrid.
v. i.
To interpose obstacles or impediments; to be a hindrance.
n.
A catch; anything that holds, as a hook; an impediment; an obstacle; an entanglement.
v. t.
To block up; to stop up or close, as a way or passage; to place an obstacle in, or fill with obstacles or impediments that prevent or hinder passing; as, to obstruct a street; to obstruct the channels of the body.
a.
To cross by way of opposition; to thwart with obstacles; to obstruct; to bring to naught.
n.
Check; hindrance; restraint; obstacle.
v. i.
To give way; to cease opposition; to be no longer a hindrance or an obstacle; as, men readily yield to the current of opinion, or to customs; the door yielded.
v. i.
To be prevented from going farther; to stop by reason of some obstacle; to be stayed.
n.
A stop or sudden halt; a stoppage; an impediment; a temporary obstruction; an obstacle; as, a hitch in one's progress or utterance; a hitch in the performance.
n.
That which opposes; an obstacle; specifically, the aggregate of persons or things opposing; hence, in politics and parliamentary practice, the party opposed to the party in power.
a.
Not capable of self-fertilization; -- said of hermaphrodite flowers in which some structural obstacle forbids autogamy.
v. i.
To conquer; to overcome; as, to surmount difficulties or obstacles.
v.
That which stands in the way, or opposes; anything that hinders progress; a hindrance; an obstruction, physical or moral.
v. t.
Fig.: To overthrow by depriving of support; to put an obstacle in the way of; to obstruct; to cause to fail.
n.
That which stops, impedes, or obstructs; as obstacle; an impediment; an obstruction.
n.
A rope carried taut between or over obstacles likely to engage or foul the running rigging in working a ship.
v. i.
To move forward against an obstacle, as a vessel against a current.
n.
A pit in the form of an inverted cone or pyramid, constructed as an obstacle to the approach of an enemy, and having a pointed stake in the middle. The pits are called also trapholes.