(n.) A spire; also, the tower and spire taken together; the whole of a structure if the roof is of spire form. See Spire.

antenna tower barbican belfry bell tower campanile cog colossus column comb crag cupola derrick dome fang fire tower harrow jag lantern lighthouse martello martello tower mast minaret monument obelisk observation tower pagoda peak pecten pilaster pillar pinnacle pole projection pylon pyramid rake ratchet sawtooth shaft skyscraper snag snaggle spire sprocket spur standpipe stupa television mast tooth tope tour tower turret water tower windmill tower