culvert Synonyms

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