- air lock
- 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
Moby Thesaurus. Grady Ward. 1996.