Pon"der*ous (?), a. [L.
ponderosus, from pondus, -eris, a weight: cf. F.
pondéreux. See Ponder.] 1.
Very heavy; weighty; as, a ponderous shield; a
ponderous load; the ponderous elephant.
The sepulcher . . .
Hath oped his ponderous and marble jaws.
Shak.
2. Important; momentous; forcible. "Your
more ponderous and settled project." Shak.
3. Heavy; dull; wanting; lightless or spirit;
as, a ponderous style; a ponderous joke.
Ponderous spar (Min.), heavy spar, or
barytes. See Barite.