The Collaborative International Dictionary
Lithophagous
Lithophagous \Li*thoph"a*gous\, a. [Litho- + Gr. ? to eat.] (Zo["o]l.)
Eating or swallowing stones or gravel, as the ostrich.
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.
Wiktionary
lithophagous
a. 1 (context zoology English) Eating or swallowing stones or gravel. 2 (context zoology English) Eating or destroying stone, like some mollusks, sponges, annelids, and sea urchins.
Usage examples of "lithophagous".
Bacteria survived, many of them lithophagous, and a few hundred species of worm and crustacean.