Table 5.7 — ECs with labels beginning with C
Label Concept definition Figure(s) Code
CABIN A <BUILDING> at a remote and/or wilderness <LOCATION>; cabin.   188
CADASTRAL_CONSTRUCTION A <STRUCTURE> with unique characteristics used to support cadastral surveys; cadastral construction.   189
CADASTRAL_CONTROL_POINT A <LOCATION> used for locating and orienting a cadastral survey; cadastral control point.   190
CAIRN A heap of <STONE>s piled up as a landmark, a <SURVEY_MARKER>, or a <MEMORIAL_MONUMENT>; cairn. A cairn is usually conical or pyramidal.   191
CAISSON A steel <STRUCTURE> used for closing the entrance of <HYDROGRAPHIC_LOCK>s, <WET_DOCK>s and <DRY_DOCK>s; caisson.   192
CALLING_IN_POINT A <LOCATION> some distance from a <HARBOUR> at which the navigator of a <VESSEL> notifies the authority for that <HARBOUR> of the position of the <VESSEL>; calling in point.   193
CALVARY_CROSS A <STRUCTURE> that is mounted on a pedestal and composed of an upright member with a shorter horizontal member centred at approximately two thirds of the <<HEIGHT>> of the upright member; Calvary cross.   194
CAMBER A small <WATERBODY_SHELTER_BASIN>, usually with a narrow <STRUCTURE_ENTRANCE>, situated inside a <HARBOUR>; camber.   195
CAMP A <TRACT> where <TENT>s and/or <BUILDING>s serve as temporary residences; camp.   196
CAMPGROUND A <TRACT> designed for camping; campground.   197
CANAL A man-made or improved natural <WATERCOURSE> used for transportation, irrigation, and/or movement of <WATER>; canal.   198
CANAL_NEXUS A representation of one or more <CANAL>s, especially in a <BUILT_UP_REGION>; canal nexus.   199
CANAL_ROUTE A navigable <WATERBODY_ROUTE> consisting primarily of <CANAL>s but sometimes including <WATERBODY>s (for example: <LAKE>s and/or <RESERVOIR>s).   200
CANYON A deep <GORGE>, frequently with a <RIVER> at its bottom; canyon [SOED, "canyon", A].   201
CAPITOL_BUILDING A <BUILDING> in which a national or sub-national legislature meets; capitol building.   202
CARGO The goods carried by a <VEHICLE>; cargo [SOED, "cargo", 1.a]. A cargo is also known as a load.   203
CARGO_CONTAINER A large reusable <CONTAINER> that is designed for the efficient handling of <CARGO> by accommodating smaller cartons and/or cases in a single shipment.   204
CARGO_CONTAINER_FACILITY A <FACILITY> used to store <CARGO_CONTAINER>s.   205
CARNIVORE A <MAMMAL> of the order Carnivora; carnivore.
EXAMPLES     Dog, cat, bear, seal.
  206
CARPENTRY_BUILDING A <BUILDING> in which wooden <OBJECT>s are manufactured or repaired; carpentry building. A carpentry building is also known as a carpentry shop.   207
CART_TRACK An unimproved <ROAD>; cart track.   208
CASTLE A large fortified <NON_EMPTY_SET> of <BUILDING>s with thick <WALL>s, usually dominating the surrounding <TERRAIN_SURFACE_REGION>; castle [SOED, "castle", I.1].   209
CATALYTIC_CRACKER A <DEVICE> in which the separation of <PETROLEUM> is carried out in the presence of a catalyst; catalytic cracker.   210
CATCH_BASIN A receptacle located where a <STORM_DRAIN> empties into a <SEWER> and designed to trap solid <OBJECT>s and separate them from waste <WATER> flowing into the <SEWER>; catch basin.   1449
CATHEDRAL A large, imposing <BUILDING> functioning as a <WORSHIP_PLACE>; cathedral [SOED, "cathedral", 2].   211
CATHOLIC_CATHEDRAL The principal <CHURCH> of a diocese, containing the bishop's throne; Catholic cathedral [SOED, "cathedral", B.1].   212
CATWALK A suspended narrow footway or platform; catwalk [SOED, "catwalk"].   213
CAUSEWAY A raised <ROAD> supported by a solid <STRUCTURE> and/or raised <LAND> providing a <LAND_TRANSPORTATION_ROUTE> across either a wet <TERRAIN_SURFACE_REGION> or an intertidal <TERRAIN_SURFACE_REGION>; causeway.   214
CAVE A natural subterranean chamber or series of chambers open to the <PLANETARY_SURFACE>; cave.   215
CAVE_NEXUS A representation network of passages composed of one or more interconnected <CAVE>s; cave nexus.   1441
CAVITATION The turbulent formation, generally mechanically induced and including growth and collapse, of bubbles in a fluid, occurring when the static pressure at any <LOCATION> in fluid flow is less than the fluid vapour pressure; cavitation.   216
CAVITATION_NOISE The noise produced in a liquid by the collapse of bubbles that have been created by <CAVITATION>.   217
CAY A small insular <TRACT>, usually of <SAND> or <CORAL>, with scant <VEGETATION>; cay. A cay is also known as a small coral shoal.   218
CEASE_FIRE_LINE A <LINE> along which active hostilities are suspended; cease fire line.   219
CEILING_CRAWL_SPACE A space within a <BUILDING>, located above a <ROOM_CEILING>, and providing access to ducts and usually of restricted <<HEIGHT>> but having sufficient <<HEIGHT>> for <HUMAN>s to crawl; ceiling crawl space.   220
CELESTIAL_BODY Any <OBJECT> pertaining to the heavens and constituting a unit for astronomical study; celestial body.
EXAMPLES     <STAR>, <PLANET>, <COMET>.
  221
CEMETERY A <TRACT> and associated <STRUCTURE>s devoted to the burial of the dead; cemetery.   222
CEMETERY_BUILDING A <BUILDING> associated with a <CEMETERY>.   223
CENTRE_LINE A real or imaginary <LINE> indicating and/or marking the cross-sectional centre of an <OBJECT> along its primary extent; centre-line [SOED, "centre-line"].   224
CEPHALOPOD A <MOLLUSC> of the class Cephalopoda, members of which have a well-developed head surrounded by tentacles; cephalopod [SOED, "cephlopod"].
EXAMPLES     Cuttlefish, octopus, nautilus, ammonite (extinct form).
  225
CHAIN A flexible length formed of metal links, rods, or plates, used as a tensioner and to drag, lift, support, and/or restrain <OBJECT>s; chain.   226
CHANCERY A <BUILDING> containing an office for public records; chancery.   227
CHANGE_LINE A <LINE> within a <REGION> indicating where the properties of the <REGION> change significantly; change line.   228
CHANGE_POINT A <LOCATION> on a linear <OBJECT> where the properties of the <OBJECT> change significantly; change point.   229
CHAPEL A Christian <WORSHIP_PLACE>, usually smaller than a <CHURCH>, and especially one that is attached to a larger <BUILDING> (for example: a private <HOUSE> and/or an institution); chapel [SOED, "chapel", 1].   230
CHECKPOINT An official <SITE> to register, declare, and/or check goods and <HUMAN>s; checkpoint.   231
CHEMICAL_HAZARD_REGION A <REGION> in which a chemical substance is present that can kill, seriously injure, and/or incapacitate a <HUMAN> or <NON_HUMAN_ANIMAL> through its physiological properties; chemical hazard region. The chemical substance is usually dispersed over a <SURFACE> and/or within the <ATMOSPHERE>.   232
CHIMNEY A <COMBUSTION_PRODUCT_DISCHARGE_STRUCTURE> attached to and rising above the <ROOF> of a <BUILDING>; chimney.   233
CHRISTIAN_TEMPLE A <BUILDING> functioning as a <WORSHIP_PLACE> for public Christian worship; Christian temple [SOED, "temple", A.I.3].   234
CHURCH A <BUILDING> functioning as a <WORSHIP_PLACE> for public, especially Christian, worship; church [SOED, "church", 1].   235
CIRCULAR_IRRIGATION_SYSTEM An elevated irrigation <SYSTEM> revolving around a central pivot <LOCATION>; circular irrigation system.   236
CISTERN A man-made <STORAGE_TANK> used for the collection and/or storage of <WATER>; cistern.   237
CITY A concentration of <DWELLING>s, <COMMERCIAL_BUILDING>s, <INDUSTRIAL_BUILDING>s, and other <STRUCTURE>s where <HUMAN>s have settled that is larger than a <TOWN> and usually smaller than a <BUILT_UP_REGION>; city.   238
CITY_HALL The <MUNICIPAL_HALL> of a <CITY>.   239
CIVILIAN_MOTOR_VEHICLE A <MOTOR_VEHICLE> used for civilian activities.   240
CIVILIAN_PERSONNEL <PERSONNEL> who are not members of an armed force; civilian personnel.   241
CLAIM_LINE A <BOUNDARY> of a <REGION> that is unilaterally claimed by one political group without the consent of or negotiation with another; claim line.   242
CLIFF A vertical or nearly vertical face of <ROCK> in the <TERRAIN> of considerable <<HEIGHT>>; cliff.   243
CLIFF_BOTTOMLINE A <LINE> representing the demarcation of a sudden and significant change in the gradient of the terrain relief occurring at the bottom of a <CLIFF>.   244
CLIFF_DWELLING A <DWELLING> built into the recesses of a <CLIFF>.   245
CLIFF_TOPLINE A <LINE> representing the demarcation of a sudden and significant change in the gradient of the terrain relief occurring at the top of a <CLIFF>.   246
CLOSET A small <ROOM> belonging with and opening to a larger <ROOM>; closet.   247
CLOUD A visible aggregate of minute droplets of <WATER>, <PARTICLE>s of <ICE>, or both, suspended in the <ATMOSPHERE> above the <PLANETARY_SURFACE> of the <EARTH>; cloud.   248
CLOUD_BASE The lowest level in a specific <CLOUD> or <CLOUD_LAYER> where the <ATMOSPHERE> contains a perceptible quantity of <PARTICLE>s of the <CLOUD>; cloud base.   249
CLOUD_LAYER An arrangement of <CLOUD>s, continuous or composed of separated <COMPONENT>s, where the <<CLOUD_BASE_LEVEL>>s are the same and the <<CLOUD_THICKNESS>>s are approximately the same; cloud layer.   250
CLOUD_TOP The highest level in a specific <CLOUD> or <CLOUD_LAYER> where the <ATMOSPHERE> contains a perceptible quantity of <PARTICLE>s of the <CLOUD>; cloud top.   251
COAST A <TERRAIN_STRIP> of indefinite <<WIDTH>> that extends from the <COASTLINE> inland to the first major change in the <TERRAIN>; coast [BOWD, "coast"].   252
COASTLINE The <LAND_WATER_BOUNDARY> where the <COAST> and the <SHORE> are in contact; coastline.   253
COLD_FRONT An <ATMOSPHERIC_FRONT> between warm and cold <AIR_MASS>s that is not an <OCCLUDED_FRONT> and that moves so that the colder <AIR> replaces the warmer <AIR>; cold front.   254
COLLEGIATE_CAMPUS The <BUILDING>s and <GROUNDS> of an institution offering special instruction in professional and/or technical subjects, which may also include <FACILITY>s for research and the award of advanced degrees; collegiate campus. A collegiate campus is also known as a university campus or college campus.   255
COMBAT_STORES_VESSEL A <WATER_SURFACE_VESSEL> designed or designated to support underway replenishment of <COMBAT_SUPPORT_VESSEL>s and <COMBATANT_VESSEL>s; combat stores vessel.   256
COMBAT_SUPPORT_VEHICLE A <GROUND_VEHICLE> designed or designated to provide support and operational assistance to <COMBATANT_VEHICLE>s; combat support vehicle.   257
COMBAT_SUPPORT_VESSEL A <WATER_SURFACE_VESSEL> designed or designated to provide support and operational assistance to <COMBATANT_VESSEL>s; combat support vessel.   258
COMBATANT_VEHICLE A <GROUND_VEHICLE> designed or designated to participate in military combat operations as a combatant.   259
COMBATANT_VESSEL A <WATER_SURFACE_VESSEL> designed or designated to participate in military combat operations as a combatant.   260
COMBUSTION_PRODUCT_DISCHARGE-
_STRUCTURE
A vertical <STRUCTURE> containing a passage and/or flue for discharging <SMOKE> and gases of combustion; combustion product discharge structure.   261
COMET A <SMALL_STAR_SYSTEM_BODY> that orbits a <STAR> in a highly elliptical path and, when in the vicinity of that <STAR>, usually has a bright hazy head and a long more diffuse tail; comet [SOED, "comet", A.1].   262
COMMERCIAL_BUILDING A <BUILDING> used to conduct business activities; commercial building.   263
COMMERCIAL_HELICOPTER A <HELICOPTER> designed or designated for use in commerce; commercial helicopter.   264
COMMERCIAL_WINGED_AIRCRAFT A winged <AIRCRAFT> designed or designated for use in commerce; commercial winged aircraft.   265
COMMUNICATION_FACILITY A <FACILITY> including one or more <COMMUNICATION_STATION>s.   266
COMMUNICATION_STATION A <BUILDING> in which communication signals are processed and/or controlled; communication station.
EXAMPLES     Telephone switching station, microwave repeater station, <SATELLITE_GROUND_STATION>, cellular telephone <EQUIPMENT>, land-line telephone repeater station.
  267
COMMUNICATION_TOWER A <TOWER> used for supporting an <AERIAL> for transmitting and/or receiving electronic communication signals.   268
COMMUNITY_RECREATION_BUILDING A <BUILDING> used for recreational exercise and minor sports competitions, which typically serves a small <TOWN>, community, or local <BUILT_UP_REGION>; community recreation building. A community recreation building is also known as a community centre.   269
COMMUNITY_RECREATION_FACILITY A <FACILITY> including one or more <COMMUNITY_RECREATION_BUILDING>s.   270
COMPLEX_OUTLINE The <BOUNDARY> delimiting a <REGION> in which two or more like <OBJECT>s have the same function; complex outline.   271
COMPLEX_TERMINAL_ROUTE A <NON_EMPTY_SET> of <ATS_ROUTE>s, action points, and various approach minimum altitudes and distances from the end of a landing <RUNWAY> as functions of <AIRCRAFT> type and instrument approach procedures; complex terminal route.   272
COMPONENT An <OBJECT> that is a constituent part of another (aggregate) <OBJECT> but, by itself, does not fulfill the function of the aggregate; component.   273
CONSULATE A <BUILDING> housing the residence and/or official premises of an official appointed by a government to reside in a foreign country, represent its commercial interests, and assist its citizens there; consulate.   274
CONTACT_ZONE A <TERRAIN_STRIP> that is 3 metres wide and limited on the water side by the <LAND_WATER_BOUNDARY> of a <WATERBODY> under average water level conditions; contact zone [DFDD, Feature Dictionary: FA041].   275
CONTAINER A <DEVICE> designed to contain <MATERIAL>s; container.   276
CONTOUR An elevation or depression <ISOPLETH>; contour.   277
CONTROL_PANEL A panel on which are mounted switches, dials, and/or other mechanisms for the remote control and/or operation of <EQUIPMENT> (for example: electrical <EQUIPMENT>).   278
CONTROL_TOWER A <TOWER> that houses <PERSONNEL> and <EQUIPMENT> used to control the flow of traffic on a <TRANSPORTATION_ROUTE>; control tower.   279
CONTROL_VALUE A value of an EDCS Attribute or an algorithmic quantity to be used in evaluating an algorithmic expression; control value.   280
CONTROLLED_AIRSPACE A designated <AIRSPACE> within which some or all <AIRCRAFT> may be subjected to air traffic control; controlled airspace.   281
CONVENT A <RELIGIOUS_COMMUNITY> of women; convent [SOED, "convent", 3].   282
CONVEYOR <EQUIPMENT> for moving <MATERIAL>s from place to place on a moving belt or series of rollers; conveyor.   283
COOLING_TOWER A <TOWER> used to cool liquids; cooling tower.   284
CORAL A hard calcareous <MATERIAL> consisting of the continuous skeleton of marine coelenterate polyps; coral.   285
CORRECTIONAL_BUILDING A <BUILDING> within which persons convicted or accused of crimes are confined; correctional building. A correctional building is also known as a penitentiary.   286
CORRECTIONAL_FACILITY A <FACILITY> including one or more <CORRECTIONAL_BUILDING>s; correctional facility.   287
COUNTY_HALL A <BUILDING> that houses the main offices of a county government; county hall. In the US, a county hall is also known as a court-house.   288
COURTYARD An open <TRACT> surrounded by <WALL>s and/or <BUILDING>s that is located within the precincts of a large <BUILDING>, <CASTLE>, or <BUILT_UP_REGION>; courtyard.   289
COVERED_WATERCOURSE A covered portion of a <WATERCOURSE>, preventing its observation.   290
CRANE <EQUIPMENT> for lifting, shifting, and lowering <OBJECT>s or <MATERIAL>s by means of a swinging boom or with a lifting apparatus supported on an overhead track; crane.   291
CREVASSE A deep crack or fissure in a <GLACIER>, which results from differential movement of <ICE>, or a deep vertical opening in the <TERRAIN> that appears after an earthquake; crevasse.   292
CREVICE A narrow opening or fissure produced by a crack in the <TERRAIN>, especially in <ROCK>; crevice.   293
CRIB A permanent <STRUCTURE> set in a <WATERBODY>, framed with heavy wooden <STRUCTURAL_BEAM>s, and sunken with debris (for example: <STONE>s), usually designed to support or elevate <PIPELINE>s; especially a <STRUCTURE> enclosing a screening <DEVICE> at the offshore end of a potable <WATER_INTAKE>; crib.   294
CROP_LAND A <TRACT> that has been tilled for the planting of crops; crop land.   295
CROSS_COUNTRY_BARRIER A permanent or semi-permanent <BARRIER> placed across any <TERRAIN> to prevent <GROUND_VEHICLE> or pedestrian traffic; cross-country barrier.   296
CROSSING A <LOCATION> where <LAND_TRANSPORTATION_ROUTE>s intersect or cross at the same vertical level; crossing.
EXAMPLES     Railway crossing, road intersection, <FORD>.
  297
CRUISER A fast, medium tonnage <WATER_SURFACE_VESSEL> operating over a long cruising radius; cruiser [AHD, "cruiser", 1].   298
CRUSTACEAN An <ARTHROPOD> of the large class Crustacea, mainly aquatic and hard-shelled; crustacean [SOED, "crustacean", A].
EXAMPLES     Crab, lobster, shrimp, woodlouse.
  299
CULVERT An enclosed channel for carrying a <WATERCOURSE> (e.g., a <RIVER>, a <SEWER>, or a drain) under a <ROUTE> (e.g., a <ROAD>, a <RAILWAY>) or an <EMBANKMENT>; culvert [DFDD, Feature Dictionary: AQ065]. Usually the construction of the <ROUTE> is unaffected.   300
CURB A raised border of hard <MATERIAL>, e.g., stone or concrete, often forming part of a gutter, along the <BOUNDARY> of a <LAND_TRANSPORTATION_ROUTE> and/or <VEHICLE_LOT>; curb. A curb is also known as a kerb.   1451
CURRENT A body of a fluid that is flowing in a definite <DIRECTION>; current [SOED, "current", n.1].   301
CUSTOMS_HOUSE A <GOVERNMENT_BUILDING> serving as a <CHECKPOINT> where customs duties are collected and shipments or <VEHICLE>s are cleared for entering or leaving a country; customs house.   302
CYCLONE An <ATMOSPHERE_REGION> in which the <<ATM_PRESSURE>>s are lower than those of the surrounding <ATMOSPHERE_REGION> at the same <<ALTITUDE_MSL>>; cyclone. A cyclone is also known as a depression.   303