The Collaborative International Dictionary
Xylophagous
Xylophagous \Xy*loph"a*gous\, a. [Gr. ? eating wood; xy`lon wood + ? to eat.] (Zo["o]l.)
Eating, boring in, or destroying, wood; -- said especially of certain insect larv[ae], crustaceans, and mollusks.
Of or pertaining to the genus Xylophaga.
Douglas Harper's Etymology Dictionary
xylophagous
1842, from Latinized form of Greek xylophagos "wood-eating;" see xylo- + -phagous.
Wiktionary
xylophagous
a. 1 feeding on wood. (gloss: of insects etc.) 2 destructive to wood. (gloss: of fungi etc.)