THESAURUS
flume
abysm, abyss, aqueduct, arroyo, avenue, bed, blowhole, box canyon, breach, break, canal, canyon, cavity, channel, chap, chasm, check, chimney, chink, chute, cleft, cleuch, clough, col, coulee, couloir, crack, cranny, creek bed, crevasse, crevice, culvert, cut, cwm, debouch, defile, dell, dike, ditch, donga, door, draw, dry bed, egress, emunctory, escape, estuary, excavation, exhaust, exit, fault, fissure, flaw, floodgate, fracture, furrow, gap, gape, gash, gorge, groove, gulch, gulf, gully, gullyhole, headrace, hole, incision, irrigation ditch, joint, kloof, leak, loophole, moat, notch, nullah, opening, out, outcome, outfall, outgate, outgo, outlet, pass, passage, pore, port, race, ravine, rent, rift, rime, river bed, riverway, runnel, rupture, sally port, scissure, seam, slit, slot, sluice, spillbox, spillway, spiracle, split, spout, stream bed, streamway, swash, swash channel, tailrace, tap, trench, valley, vent, ventage, venthole, void, vomitory, wadi, water carrier, water channel, water furrow, water gap, water gate, watercourse, waterway, waterworks, way out, weir
ROGET THESAURUS
flume
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.