floodgate Synonyms

sluicegate penstock sluice valve head gate water gate air lock weir vomitory venthole vent tap spout airlock sluice gates air blockage upriver tide gate lock-gate sluice gate sally port flood gate Clow aboideau sluiceway sluice pore cofferdam clough chute channel carries caisson blowhole behave behaving conduit dam door outlet outgate outfall opening lock hatch gateway gate emunctory avenue