(n.) An upright architectural member right-angled in plan, constructionally a pier (See Pier, 1 (b)), but architecturally corresponding to a column, having capital, shaft, and base to agree with those of the columns of the same order. In most cases the projection from the wall is one third of its width, or less.

antenna tower arcade atlas baluster balustrade banister barbican base belfry bell tower campanile caryatid colonnade colonnette colossus column cupola dado derrick die dome fire tower footstalk jack lantern lighthouse martello martello tower mast minaret monument newel-post obelisk observation tower pagoda pedestal pedicel peduncle peristyle pier pile piling pillar pinnacle plinth pole portico post pylon pyramid queen-post shaft skyscraper socle spire staff stalk stanchion stand standard standpipe steeple stem stupa subbase surbase telamon television mast tope tour tower trunk turret upright water tower windmill tower