Ponderous /(?)/

Pon·der·ous

Ponderous

a.
  1. Very heavy; weighty; as, a ponderous shield; a ponderous load; the ponderous elephant.
    The sepulcher . . . Hath oped his ponderous and marble jaws.
  2. Important; momentous; forcible.
  3. Heavy; dull; wanting; lightless or spirit; as, a ponderous style; a ponderous joke.

Phrases & Compounds
Ponderous spar
heavy spar, or barytes. See Barite.