Propylaeum

(n.) Any court or vestibule before a building or leading into any inclosure.

Thesaurus Entries

French door, apse, arcade, arcature, arch, arched roof, back door, barway, bulkhead, camber, carriage entrance, ceilinged roof, cellar door, cellarway, concameration, concha, cove, cupola, dome, door, doorjamb, doorpost, doorway, front door, gate, gatepost, gateway, geodesic dome, hatch, hatchway, igloo, keystone, lintel, ogive, porch, portal, porte cochere, postern, propylaeum, pylon, scuttle, side door, skewback, span, stile, storm door, threshold, tollgate, trap, trap door, turnpike, turnstile, vault, vaulting, voussoir