\Xy*loph"a*gous\, a. [Gr. ? eating wood; xy`lon wood
+ ? to eat.] (Zo["o]l.)
(a) Eating, boring in, or destroying, wood; -- said
    especially of certain insect larv[ae], crustaceans, and
    mollusks.
(b) Of or pertaining to the genus Xylophaga.