/ Dictionary / Index G grunion: Meaning and Definition of Find definitions for: grun•ion Pronunciation: (grun'yun), [key] — n. a small, silvery food fish, Leuresthes tenuis, of southern California, that spawns at high tide in wet sand. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. grungy Grunitsky 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