Baluster

(n.) A small column or pilaster, used as a support to the rail of an open parapet, to guard the side of a staircase, or the front of a gallery. See Balustrade.

Thesaurus Entries

Samson post, baluster, banister, barrier, base, boundary, caryatid, colonnade, column, dado, die, doorjamb, doorpost, fence, footstalk, gatepost, hitching post, jack, jamb, king post, milepost, mullion, newel-post, pedestal, pedicel, peduncle, pier, pilaster, pile, piling, pillar, plinth, pole, post, queen-post, rail, railing, shaft, signpost, snubbing post, socle, staff, stalk, stanchion, stand, standard, stem, stile, stone wall, subbase, surbase, trunk, upright, wall