Synonyms to floodgate

air lock, aboideau, access, adit, approach, corridor, dock gate, entrance, entranceway, entry, entryway, flood-hatch, gangplank, gangway, gate, hall, head gate, in, ingress, inlet, intake, lock, lock gate, means of access, opening, passage, passageway, penstock, sluice, sluice gate, tide gate, vestibule, water gate, way, way in, weir, avenue, Autobahn, US highway, aisle, alley, alleyway, ambulatory, aperture, arcade, arterial, arterial highway, arterial street, artery, autoroute, autostrada, belt highway, blind alley, blowhole, boulevard, bypass, byway, camino real, carriageway, causeway, causey, channel, chaussee, chute, circumferential, cloister, close, colonnade, communication, conduit, connection, corduroy road, county road, court, covered way, crescent, cul-de-sac, dead-end street, debouch, defile, dike, dirt road, door, drag, drive, driveway, egress, emunctory, escape, estuary, exhaust, exit, expressway, ferry, flume, ford, freeway, gallery, gravel road, highroad, highway, highways and byways, interchange, intersection, interstate highway, junction, lane, local road,