What is another word for "ostiary"?

Roget's Thesaurus (1911) lists these synonyms for "ostiary": arm, armlet, artesian, bay, bayou, beadle, belt, bight, broad, bung, cerberus, continental, cork, cove, cover, covered, creek, dam, dead, dike, ditch, doorkeeper, dossil, dyke, estuary, fiord, firth, fish, frith, gulf, gulph, gut, harbor, hog, indraught, inlet, janitor, lacustrine, lagoon, lagune.