Synonyms to river bed

aqueduct, arroyo, bed, canal, canalization, channel, conduit, course, creek bed, crimp, culvert, cut, dike, ditch, donga, dry bed, duct, entrenchment, flume, fosse, goffer, gulch, gully, gullyhole, gutter, ha-ha, headrace, irrigation ditch, kennel, moat, nullah, pleat, race, riverway, runnel, sluice, spillbox, spillway, stream bed, streamway, sunk fence, swash, swash channel, tailrace, trench, trough, wadi, water carrier, water channel, water furrow, water gap, water gate, watercourse, waterway, waterworks, Colonial bed, Hollywood bed, Japanese garden, a world-without-end bargain, accommodation, accommodations, alliance, alpine garden, arboretum, band, base, basement, basin, basis, bassinet, bearing wall, bed and board, bed down