| Main Entry: | |
| Part of Speech: | noun |
| Definition: | gutter, depression |
| Synonyms: | canal, channel, crib, cup, dike, dip, ditch, duct, flume, furrow, gully, hollow, manger, moat, trench, watercourse |
| Main Entry: | chute |
| Part of Speech: | noun |
| Definition: | ramp, slope |
| Synonyms: | channel, course, fall, gutter, incline, rapid, runway, slide, trough |
| Notes: | a chute is a sloping channel through which things can descend; shoot, as a noun, is a sprout, a bud, young leaf, or other new growth on a plant; shoot, as a verb, means to hit with a missile from a weapon - fire a shot - make a film or photograph of something - move quickly and violently |
| 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: | dent |
| Part of Speech: | noun |
| Definition: | depression, scrape, chip |
| Synonyms: | cavity, con-cavity, crater, crenel, cut, dimple, dint, dip, embrasure, furrow, hollow, impression, incision, indentation, nick, notch, pit, scallop, score, scratch, sink, trough |
| Antonyms: | bulge |
| Main Entry: | excavation |
| Part of Speech: | noun |
| Definition: | site of digging; digging |
| Synonyms: | blasting, burrow, cavity, cut, cutting, dig, disinterring, ditch, dugout, exhuming, hole, hollow, mine, mining, pit, quarry, removal, scooping, shaft, shoveling, trench, trough, unearthing |
| Antonyms: | filling |
| Main Entry: | gutter |
| Part of Speech: | noun |
| Definition: | ditch |
| Synonyms: | channel, conduit, culvert, dike, drain, duct, eaves, fosse, funnel, gully, moat, pipe, runnel, sewer, sluice, spout, sulcation, trench, trough, tube, watercourse |
| Main Entry: | hollow |
| Part of Speech: | noun |
| Definition: | empty or dented area |
| Synonyms: | basin, bottom, bowl, cave, cavern, cavity, chamber, channel, cleft, concavity, crater, cup, dale, den, depression, dimple, dip, dish, excavation, groove, gulf, hole, indentation, notch, pit, pocket, sag, scoop, sinkage, sinkhole, socket, trough, vacuity, valley, void |
| Antonyms: | solid |
| Main Entry: | main |
| Part of Speech: | noun |
| Definition: | pipe for system |
| Synonyms: | cable, channel, conduit, duct, line, trough, trunk |
| Notes: | main means most important element, while a mane is long coarse hair growing along the top and sides of an animal's neck or the growth of hair covering the head of a human being |
| Main Entry: | pipe |
| Part of Speech: | noun |
| Definition: | passage, tube |
| Synonyms: | aqueduct, canal, channel, conduit, conveyer, duct, hose, line, main, pipeline, sewer, spout, trough, vent, vessel |