floodgate Synonyms

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