Table 5.27 — ECs whose label begins with W
| Label | Concept definition | Code |
| WADI | The dry bed of an intermittent <RIVER>, often with steep sides or located at the bottom of a <TERRAIN_CHANNEL>; a wadi, a wash, or an arroyo. | 1340 |
| WADI_NEXUS | The representation of one or more <WADI>s; a wadi centre-line or wadi nexus. | 1341 |
| WALL | A solid man-made <BARRIER> of generally heavy <MATERIAL> used as an enclosure, <BOUNDARY>, or for protection; a wall. | 1342 |
| WALL_LOOPHOLE | A small <APERTURE> in a <WALL> in a defended <STRUCTURE> created for military purposes, typically about 20 centimetres in diameter; a wall loophole. | 1343 |
| WAREHOUSE | A <BUILDING> in which goods or merchandise are stored; a warehouse [AHD, "warehouse", 1]. | 1344 |
| WARM_FRONT | An <ATMOSPHERIC_FRONT> between warm and cold <AIR_MASS>s that moves so that the warmer <AIR> replaces the colder <AIR>; a warm front. | 1345 |
| WASTE_PROCESSING_FACILITY | A <FACILITY> where waste is processed through chemical, physical, biological, or thermal procedures or a combination of those procedures; a waste processing facility. | 1346 |
| WATER | A compound of hydrogen and oxygen, chemical formula H2O [SOED, "water", 1.a]. | 1347 |
| WATER_CHANNEL | That part of a <WATERBODY>, sometimes dredged, that is deep enough for navigation through a <WATERBODY_SURFACE_REGION> that would otherwise not be navigable; a water channel. It is usually marked by a single or double line of <MARINE_AID_TO_NAVIGATION>s. | 1377 |
| WATER_CHANNEL_EDGE | The <BOUNDARY> delimiting the edge of a <WATER_CHANNEL> plus associated <NAVIGATION_MARK_AFLOAT>s and/or <NAVIGATION_MARK_FIXED>s; a water channel edge. | 1378 |
| WATER_CURRENT | A <CURRENT> in a <WATERBODY>. | 1379 |
| WATER_CURRENT_PROPERTY_SET | A <PROPERTY_SET> describing the average <<WATER_CURRENT_SPEED>> within a <REGION> of a <WATERBODY> as a function of time. | 1380 |
| WATER_DATA_COLLECTION_DEVICE | A <DEVICE> used for the collection of hydrographic and oceanographic data. | 1381 |
| WATER_DRIVEN_GRISTMILL | A <STRUCTURE> equipped with water-driven <EQUIPMENT> for grinding grain into flour or meal; a water driven gristmill. | 1382 |
| WATER_GATHERING_REGION | A protected (restricted use) <TERRAIN_SURFACE_REGION> incorporating <FACILITY>s for the collection of <WATER>, so designated in order to protect the <WATER> on and beneath the <TERRAIN> from being contaminated; a water gathering region. | 1383 |
| WATER_INTAKE | A <SITE> where <WATER> is taken into a channel or <PIPE> from a <WATERBODY>, generally to supply an <AQUEDUCT> or <WATER_TREATMENT_FACILITY>; a water intake. | 1384 |
| WATER_INTAKE_TOWER | A <TOWER> associated with a <WATER_INTAKE>; a water intake tower. | 1385 |
| WATER_SURFACE_VESSEL | A <VESSEL> capable of operation only on a <WATERBODY_SURFACE>; a water surface vessel. EXAMPLES Barge, boat, ship. |
1386 |
| WATER_TOWER | A <TOWER> supporting an elevated <STORAGE_TANK> of <WATER>; a water tower. | 1387 |
| WATER_TREATMENT_BED | A <TRACT> for the treatment of <WATER> that consists of a bed of <MATERIAL> where <WATER> is aerated or filtered; a water treatment bed. | 1388 |
| WATER_TREATMENT_FACILITY | A <FACILITY> including one or more <WATER_TREATMENT_STRUCTURE>s; a water treatment facility. | 1389 |
| WATER_TREATMENT_STRUCTURE | A <STRUCTURE> containing layers of <MATERIAL> used to filter or aerate <WATER>; a water treatment structure. | 1390 |
| WATER_TURBULENCE | A disturbance of <WATER> caused by the interaction of any combination of <WATER_WAVE>s, <WATER_CURRENT>s, <EDDY>s, tidal streams, <WIND>, <SHOAL>s, and obstructions; water turbulence. | 1391 |
| WATER_WAVE | One of a succession of undulations that travel over a <WATERBODY_SURFACE>; a water wave [SOED, "wave", I.1.a]. | 1392 |
| WATERBODY | A particular, designated body of <WATER> forming a physiographic <OBJECT> [SOED, "waterbody"]. EXAMPLES <LAKE>, <OCEAN>, <SEA>, <RIVER>. |
1348 |
| WATERBODY_ACOUSTIC_PROPERTY- _SET |
A <WATERBODY_PROPERTY_SET> describing acoustic-related properties. | 1349 |
| WATERBODY_ACOUSTIC_SIGNATURE- _PROPERTY_SET |
An <ACOUSTIC_SIGNATURE_PROPERTY_SET> describing a signal source in a <WATERBODY>. | 1350 |
| WATERBODY_ACOUSTIC_TARGET- _STRENGTH_PROPERTY_SET |
A <WATERBODY_PROPERTY_SET> describing acoustic target strength properties (for example: the amount of signal excess added to the return energy of an active sonar emission based on the reflective characteristics of an <OBJECT>). | 1351 |
| WATERBODY_BANK | The raised or sloping bank of <LAND> adjacent to a <LAND_WATER_BOUNDARY>; a waterbody bank. | 1352 |
| WATERBODY_BASIN | A delimited, principal division of a <WATERBODY>; a waterbody basin. EXAMPLE <OCEAN_BASIN>. |
1353 |
| WATERBODY_BATHYMETRY- _PROPERTY_SET |
A <WATERBODY_PROPERTY_SET> describing the <<DEPTH_OF_WATERBODY_FLOOR>> with respect to a <SURFACE_DATUM>; a waterbody bathymetry property set. | 1354 |
| WATERBODY_BIOLOGIC_SOUND- _SOURCE |
A sound source of a biological nature in a <WATERBODY>. EXAMPLES <FISH_SCHOOL>, <WHALE_POD>. |
1355 |
| WATERBODY_BOOM | A floating <BARRIER> used to protect a <RIVER> or the mouth of a <HARBOUR> or to create a sheltered <WATERBODY_REGION> for storage purposes; a waterbody boom. | 1356 |
| WATERBODY_CURRENT | A large <WATERBODY_REGION> containing a <WATER_CURRENT> that is relatively homogenous with respect to <<WATERBODY_TEMPERATURE>> or <<PRACTICAL_SALINITY>> and that differs from that of the adjacent <REGION>s; a waterbody current. | 1357 |
| WATERBODY_EDDY | An <EDDY> in a <WATERBODY>. | 1358 |
| WATERBODY_FLOOR | The floor of a <WATERBODY>. | 1359 |
| WATERBODY_FLOOR_CANYON | A deep, step-sided <TERRAIN_CHANNEL> in a <WATERBODY_FLOOR> the bottom of which grades continuously downward; a waterbody floor canyon. | 1360 |
| WATERBODY_FLOOR_PINNACLE | A significant configuration of <WATERBODY_FLOOR> topography generally round in shape as viewed from above and of reduced depth at its centre; a waterbody floor pinnacle. | 1361 |
| WATERBODY_FLOOR_PROVINCE | A <WATERBODY_FLOOR_REGION> identifiable by shared physiographic characteristics that are markedly in contrast with those in the adjacent <WATERBODY_FLOOR_REGION>s; a waterbody floor province. | 1362 |
| WATERBODY_FLOOR_REGION | A <REGION> of a <WATERBODY_FLOOR>. | 1363 |
| WATERBODY_FLOOR_RIDGE | A <RIDGE> with steep sides and either irregular or smooth topography in a <WATERBODY_FLOOR>, often separating <WATERBODY_BASIN>s; a ridge. | 1364 |
| WATERBODY_FLOOR_SONAR_RETURN | A detectable active sonar return signal, from an <OBJECT> on a <WATERBODY_FLOOR>. | 1365 |
| WATERBODY_FLOOR_TOPOGRAPHIC- _CONFIGURATION |
A significant configuration of <WATERBODY_FLOOR> topography. | 1366 |
| WATERBODY_FLOOR_TRENCH | A significant long, narrow, and characteristically very deep and asymmetrical <TERRAIN_CHANNEL> in a <WATERBODY_FLOOR>, with relatively steep sides; a trench. | 1367 |
| WATERBODY_PARTITION | A <STRUCTURE> separating portions of a <WATERBODY>; a partition. | 1368 |
| WATERBODY_PROPERTY_SET | A <PROPERTY_SET> describing a <LOCATION> or <REGION> of a <WATERBODY>. | 1369 |
| WATERBODY_REGION | A <REGION> of a <WATERBODY>. | 1370 |
| WATERBODY_SHELTER_BASIN | A sheltered <WATERBODY> available for port operations and connecting with another <WATERBODY> (for example: an outer <MARINE_PORT> and/or a <SEA>) sometimes by means of a <HYDROGRAPHIC_LOCK> or passage; a waterbody shelter basin. | 1371 |
| WATERBODY_SHIPPING_PROPERTY- _SET |
A <WATERBODY_PROPERTY_SET> describing shipping-related properties. | 1372 |
| WATERBODY_SURFACE | The <SURFACE> of a <WATERBODY>. | 1373 |
| WATERBODY_SURFACE_REGION | A <REGION> of a <WATERBODY_SURFACE>. | 1374 |
| WATERBODY_SURFACE_SLICK | A <WATERBODY_SURFACE_REGION> that is variable in size and markedly different in appearance (for example: in colour and/or oiliness) from adjacent <WATERBODY_SURFACE_REGION>s; a slick. | 1375 |
| WATERBODY_TEMPERATURE- _PROPERTY_SET |
A <WATERBODY_PROPERTY_SET> describing properties related to <<TEMPERATURE>>. | 1376 |
| WATERCOURSE | An artificial or natural channel for the conveyance of <WATER>; a watercourse. | 1393 |
| WATERFALL | A vertical or nearly vertical descent of a <WATERCOURSE>; a waterfall. | 1394 |
| WATERING_HOLE | A small natural <TERRAIN_DEPRESSION> in which <WATER> collects, especially a pool where <NON_HUMAN_ANIMAL>s come to drink; a watering hole [AHD, "watering hole", 1]. | 1395 |
| WATERING_PLACE | A <REGION> where supplies of <WATER> can be replenished; a watering place. EXAMPLES <SPRING>, <WELL> of <WATER>, <WATERING_HOLE>. |
1396 |
| WAYPOINT | A <LOCATION> used to define a <ROUTE>; a waypoint. | 1397 |
| WEAPON | <EQUIPMENT> intended to inflict bodily harm, especially one used in warfare to overcome an enemy and/or repel a hostile attack; a weapon [SOED, "weapon", 1a]. | 1398 |
| WEAPON_FIGHTING_POS_ACCESS- _ROUTE |
The concealed access <RAMP> or <LAND_TRANSPORTATION_ROUTE> leading from the exterior of a <WEAPON_FIGHTING_POSITION> to the <WEAPON_FULL_DEFILADE_POSITION> and then to the <WEAPON_HULL_DEFILADE_POSITION>; a weapon fighting position access route. | 1399 |
| WEAPON_FIGHTING_POSITION | A <FIGHTING_POSITION> designed to accommodate an individual <WEAPON>, which may be mounted on a <VEHICLE>. | 1400 |
| WEAPON_FULL_DEFILADE_POSITION | The <REGION> within a <WEAPON_FIGHTING_POSITION> in which the entire <WEAPON> is hidden from enemy view and fire; a weapon full defilade position. | 1401 |
| WEAPON_HULL_DEFILADE_POSITION | The <REGION> within a <WEAPON_FIGHTING_POSITION> in which only the fighting <COMPONENT> of the <WEAPON> is exposed to enemy fire or view; a weapon hull defilade position. | 1402 |
| WEAPON_SYSTEM | A <WEAPON> together with all the <EQUIPMENT> (for example: detection and control apparatus, a launcher, and/or a delivery <VEHICLE>) required to make use of it; a weapon system [SOED, "weapon system"]. | 1403 |
| WEAPONS_RANGE | A <FACILITY> designated for the purpose of discharging firearms or detonating <MUNITION>s; a weapons range, a firing range, or a gunnery range. | 1404 |
| WEATHER_STATION | An <OBSERVATION_STATION> where meteorological data are gathered, recorded, and released; a weather station. | 1405 |
| WELL | An <EXCAVATION> drilled or dug into the <TERRAIN> for the extraction of liquids or gases; a well. | 1406 |
| WELL_HEAD | <EQUIPMENT> (for example: casing heads, lowermost and intermediate tubing heads, Christmas tree equipment with valves and fittings, and/or casing and tubing hangers) used on the <TERRAIN> to maintain control of an oil <WELL>; a well-head. | 1407 |
| WET_DOCK | A <DOCK> in which <WATER> can be maintained at any level by closing a <MARINE_GATE> when the <WATER> is at the desired level; a wet dock. | 1408 |
| WETLAND | A <TERRAIN_SURFACE_REGION> that is inundated or saturated by surface or ground <WATER> at a frequency and duration sufficient to support, and that under normal circumstances does support, a prevalence of <VEGETATION> typically adapted for life in conditions of saturated <SOIL>; a wetland [AHD, "wetland"]. EXAMPLES <SWAMP>, <MARSH>, <BOG>. |
1409 |
| WHALE | A large, marine <MAMMAL> of the order Cetacea, the members of which have forelimbs as fins, a tail with horizontal flukes, and nasal openings on top of the head; a whale [SOED, "whale", 1]. | 1410 |
| WHALE_POD | A <POD> of <WHALE>s. | 1411 |
| WHARF | A <STRUCTURE> serving as a berthing place for <VESSEL>s; a wharf. | 1412 |
| WIND | A <CURRENT> of <AIR> moving relative to a <PLANETARY_SURFACE>; usually only the horizontal component is considered; wind. | 1413 |
| WIND_INDICATOR | A visual <DEVICE> used to provide <<WIND_DIRECTION>> and <<WIND_SPEED>> information; a wind indicator. | 1414 |
| WIND_MOTOR | <EQUIPMENT> attached to a <TOWER> that generates electrical power from <WIND>; a wind motor. | 1415 |
| WIND_ROSE_PROPERTY_SET | A <PROPERTY_SET> describing the relative frequency of the <<WIND_DIRECTION>>, and sometimes the frequencies of the <<WIND_SPEED>>s for different directions, experienced at a given <LOCATION> over a defined period of record; a wind rose. | 1416 |
| WIND_TUNNEL | <EQUIPMENT> through which <AIR> is forced at controlled velocities in order to study the effects of aerodynamic flow around airfoils, scale models, or other <OBJECT>s; a wind tunnel [AHD, "wind tunnel"]. | 1417 |
| WIND_VANE | A visual <DEVICE> used to indicate or measure <<WIND_DIRECTION>>; a wind vane. | 1418 |
| WIND_WAVE | A <WATER_WAVE> generated by friction between the <WIND> and a <WATERBODY_SURFACE>. | 1419 |
| WINDMILL | A <SYSTEM> of vanes attached to a <TOWER> and driven by <WIND> (excluding <WIND_MOTOR>s); a windmill. | 1420 |
| WINDOW | An <APERTURE> in a <WALL> or the side of a <BUILDING>, <VEHICLE>, or other <STRUCTURE> that admits light, <AIR>, or both and affords a view of what is outside or inside; a window [SOED, "window", 1.a]. | 1421 |
| WIRE | Metal wrought into the form of a slender rod or thread; wire [SOED, "wire", 1]. | 1422 |
| WIRE_OBSTACLE | A <TERRAIN_OBSTACLE> constructed of <WIRE>, usually containing barbs or razors; a wire obstacle. | 1423 |
| WOODY_GRASS_LAND | A <TRACT> covered by woody and/or tree-like grasses of the tropical or temperate <REGION>s that have jointed hollow stems with solid nodes (for example: <BAMBOO> and/or sugar cane); woody grass land. | 1424 |
| WORSHIP_PLACE | A place where religious worship is performed, especially a <BUILDING> designed for this purpose; a place of worship [SOED, "place of worship"]. EXAMPLES <CHAPEL>, <CHURCH>, <MOSQUE>, <SYNAGOGUE>. |
1425 |
| WRECKING_YARD | An enclosed <TRACT> within which <EQUIPMENT> is dismantled or torn down; a wrecking yard. | 1426 |
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