Lewis & Short

† plinthus (-os), i, m. and f., = πλίνθος (a tile).

  1. I. In archit., the large flat member under the inferior moulding of a column, the base, plinth, Vitr. 3, 3; 4, 7, 3.
  2. II. In land-surveying, a tile-shaped figure, containing a hundred acres of land: quae centuriae nunc appellantur plinthi, id est laterculi, Hyg. Condit. Agror. p. 205 Goes.