What is another word for "cork"?

Roget's Thesaurus (1911) lists these synonyms for "cork": air, airy, alley, astatic, balloon, bar, barm, beadle, blind, block, blockade, bolt, bubble, bung, buoy, buoyancy, buoyant, button, caecal, caecum, cerberus, choke, clinch, close, closure, cobweb, constipation, contraction, convection, corner, cover, cram, cul-de-sac, dam, door, doorkeeper, dossil, down, draft, dust.