floodgate, head gate, penstock, sluicegate, sluice valve, water gate

spillway, weir, floodgate, dam, sluiceway, millrace, soakaway, reservior, bighorn river, reservoir, forebay, headrace, culvert, river, anicut, silt, distributary, watercourse, dike, flume, riverbed, dredge, penstock, gabion, nala, gravels, aqueduct, creek, feitsui, brook, tributary, cofferdam, saltern, freshet, froth flotation, canal, underflow, tailrace, outfall, drain, riffles, clarifiers, sutlej, oxbow, drainage, rills, upflow, inlet, gabions, stopcock, lagoon, lake, headwater, flocculant, earthen, bailey bridge, streambed, cistern, overflow, vlei, spiles, millpond, posthole, mines, sieves, manway, flushing, coulee, dnieper, strainers, zambezi river, drainpipe, embankments, alluvial soil, tramming, brahmaputra river, irtysh, sump, fumaroles, underdrain, quarry, riverbank, tailings, shaft, braes, adit, syr darya, cowskin, becks, sifter, bagre, diggings, diverter, cannel, septic tank, effluence, trommel, ladle, canalisation, amu darya, trench, sluices, pier, chute, chimney, spout, tunnel, vat, grate, trough, bridge, cage, embankment, hopper, sewer, tank, tumbler, causeway, iron, covered, lock, shut, arched, creaky, gate, hell, insulated, latticed, painted, pike, pond, ported, puppet, riser, slide, stair

floodgate, flush, head gate, penstock, sluicegate, sluice down, sluice valve, sluicing, water gate

channel, conduit, douse, dowse, draw, drench, flow, pelt, pour, rain buckets, rain cats and dogs, soak, sop, souse, stream, take out, transport

flush, penstock, sluice down, sluiceway