1. (n.) Act of gulping.

2. (n.) A glutton.

3. (n.) A ravine, or part of the deep bed of a torrent when dry; a gully.

4. (v. t.) To swallow greedily; to gulp down.

abysm abyss aqueduct arroyo bed box canyon breach break canal canyon cavity chap chasm check chimney chink cleft cleuch clough clove col coulee couloir crack cranny creek bed crevasse crevice culvert cut cwm defile dell dike ditch donga draw dry bed excavation fault fissure flaw flume fracture furrow gap gape gash gorge groove gulf gully gullyhole headrace hole incision irrigation ditch joint kloof leak moat notch nullah opening pass passage race ravine rent rift rime river bed riverway runnel rupture scissure seam slit slot sluice spillbox spillway split stream bed streamway swash swash channel tailrace trench valley void wadi water carrier water channel water furrow water gap water gate watercourse waterway waterworks