plinth: Meaning and Definition of

plinth

1. a slablike member beneath the base of a column or pier. See diag. under
2. a square base or a lower block, as of a pedestal.
3. Also calleda projecting course of stones at the base of a wall; earth table.
4. (in joinery) a flat member at the bottom of an architrave, dado, baseboard, or the like.