| Main Entry: | watercourse |
| Part of Speech: | noun |
| Definition: | waterway |
Synonyms: |
aqueduct, brook, canal, channel, chute, conduit, creek, culvert, drain, estuary, flume, gullet, gully, gutter, inlet, ravine, river, sluice, spillway, stream, trench, wadi |
| Main Entry: | brook |
| Part of Speech: | noun |
| Definition: | stream of water |
Synonyms: |
beck, branch, burn, creek, rill, rindle, river, rivulet, run, runnel, streamlet, watercourse |
| Notes: | a stream is smaller than a river, a creek is smaller than a stream but larger than a brook; stream, brook, creek, and rivulet are applied interchangeably to any small river |
| Main Entry: | canal |
| Part of Speech: | noun |
| Definition: | waterway |
Synonyms: |
aqueduct, bottleneck, channel, choke point, conduit, course, cove, ditch, duct, estuary, firth, trench, water, watercourse |
| Main Entry: | cascade |
| Part of Speech: | noun |
| Definition: | something falling, especially water |
Synonyms: |
avalanche, cataract, chute, deluge, downrush, falls, flood, force, fountain, outpouring, precipitation, rapids, shower, spout, torrent, watercourse, waterfall |
| Main Entry: | channel |
| Part of Speech: | noun |
| Definition: | pathway, usually containing water |
Synonyms: |
approach, aqueduct, arroyo, artery, avenue, canal, canyon, carrier, chamber, chase, conduit, course, dig, ditch, duct, fluting, furrow, gouge, groove, gully, gutter, main, means, medium, pass, passage, pipe, raceway, route, runway, sewer, slit, sound, strait, tideway, trough, tube, tunnel, vein, watercourse, way |
| Main Entry: | conduit |
| Part of Speech: | noun |
| Definition: | passage |
Synonyms: |
aqueduct, cable, canal, channel, conductor, course, culvert, duct, flow, flume, gully, gutter, lead-in, lead-out, main, pipe, pipeline, race, sewer, spout, trough, tube, watercourse |
| Main Entry: | course |
| Part of Speech: | noun |
| Definition: | path, channel |
Synonyms: |
aisle, aqueduct, boards, byway, canal, circuit, conduit, direction, duct, flow, groove, itinerary, lap, line, movement, orbit, passage, range, road, route, run, rut, scope, stream, tack, track, trail, trajectory, watercourse, way |
| Main Entry: | creek |
| Part of Speech: | noun |
| Definition: | stream of water |
Synonyms: |
brook, brooklet, burn, crick, ditch, race, rill, rindle, river, rivulet, run, runnel, spring, streamlet, tributary, watercourse |
| Main Entry: | culvert |
| Part of Speech: | noun |
| Definition: | ditch for flow of water |
Synonyms: |
canal, channel, conduit, drain, duct, gutter, pipe, watercourse |
| Main Entry: | ditch |
| Part of Speech: | noun |
| Definition: | gulley |
Synonyms: |
canal, channel, chase, cut, dike, drain, excavation, furrow, gutter, mine, moat, trench, watercourse |