Li*thoph"a*gous (?), a. [Litho-
+ Gr. ? to eat.] (Zoöl.) (a)
Eating or swallowing stones or gravel, as the ostrich.
(b) Eating or destroying stone; -- applied to
various animals which make burrows in stone, as many bivalve
mollusks, certain sponges, annelids, and sea urchins. See
Lithodomus.