/ Dictionary / Index G gnathic: Meaning and Definition of Find definitions for: gnath•ic Pronunciation: (nath'ik), [key] — adj. of or pertaining to the jaw. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gnateater gnathic index Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language