Synonyms and related words :
antenna tower, apse, arcade, arcature, arch, arched roof, archway, barbican, belfry, bell tower, camber, campanile, ceilinged roof, colossus, column, concameration, concha, cove, derrick, dome, fire tower, geodesic dome, igloo, keystone, lantern, lighthouse, martello, martello tower, mast, minaret, monument, obelisk, observation tower, ogive, pagoda, pilaster, pillar, pinnacle, pole, pylon, pyramid, shaft, skewback, skyscraper, span, spire, standpipe, steeple, stupa, television mast, tope, tour, tower, turret, vault, vaulting, voussoir, water tower, windmill tower