/ Dictionary / Index O Ogmios: Meaning and Definition of Find definitions for: Og•mi•os Pronunciation: (og'mē-ōs"), [key] — n. the ancient Gallic god of eloquence, identified by the Romans with Mercury. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ogma OGO Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language