<p><strong>Noun</strong></p><ul><li>Architecture: a slablike member beneath the base of a column or pier</li><li>a square base or a lower block, as of a pedestal</li><li>Also called plinth course: a projecting course of stones at the base of a wall; earth table</li><li>(in joinery) a flat member at the bottom of an architrave, dado, baseboard, or the like</li></ul>