Synonyms and related words :
aboideau, access, adit, approach, corridor, dock gate, entrance, entranceway, entry, entryway, flood-hatch, floodgate, 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,