from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A person who bites his or her fingernails.
from The Century Dictionary and Cyclopedia
- n. Same as onychophage.
From Ancient Greek ὀνυχο- (onuch), combining form of ὄνυξ (onux, "claw, nail") + -φαγος (phagos, "eater"), from ἐφαγόν (ephagon, "I ate"). (Wiktionary)