| Plinth (n.) In classical architecture, a vertically faced member immediately below the circular base of a column; also, the lowest member of a pedestal; hence, in general, the lowest member of a base; a sub-base; a block upon which the moldings of an architrave or trim are stopped at the bottom. Thesaurus Entries baluster, balustrade, banister, base, caryatid, colonnade, column, dado, die, footstalk, jack, newel-post, pedestal, pedicel, peduncle, pier, pilaster, pile, piling, pillar, pole, post, queen-post, shaft, socle, staff, stalk, stanchion, stand, standard, stem, subbase, surbase, trunk, upright |