culvert Synonyms

water duct waterway water line water gate vena tube trough trench tedge tailrace syke swimmer spillway sough sluiceway creek bed watercourse gutters troughs drains conduits ducts slit trench sheugh septic tank drain pipe channels cesspit nullah sinkhole pipeline sluice shallot sewer drainpipe drain ditch dike course conduit cloaca chute channel cesspool canal artery arroyo aqueduct duct flume