[n] a roof in the form of a dome [n] a vertical cylindrical furnace for melting iron for casting
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, lighthou