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