THESAURUS
water gate
aboideau, air lock, aqueduct, arroyo, bed, canal, creek bed, culvert, dock gate, donga, dry bed, flood-hatch, floodgate, flume, gate, gulch, gully, gullyhole, head gate, headrace, irrigation ditch, lock, lock gate, nullah, penstock, race, river bed, riverway, runnel, sluice, sluice gate, spillbox, spillway, stream bed, streamway, swash, swash channel, tailrace, tide gate, wadi, water carrier, water channel, water furrow, water gap, watercourse, waterway, waterworks, weir
ROGET THESAURUS
water gate
Conduit
N
conduit, channel, duct, watercourse, race, head race, tail race, abito, aboideau, aboiteau, bito, acequia, acequiador, acequiamadre, arroyo, adit, aqueduct, canal, trough, gutter, pantile, flume, ingate, runner, lock-weir, tedge, vena, dike, main, gully, moat, ditch, drain, sewer, culvert, cloaca, sough, kennel, siphon, piscina, pipe, funnel, tunnel, water pipe, waste pipe, emunctory, gully hole, artery, aorta, pore, spout, scupper, adjutage, ajutage, hose, gargoyle, gurgoyle, penstock, weir, flood gate,
water gate, sluice, lock, valve, rose, waterworks, pipeline, vascular.