/ Dictionary / Index O ogam: Meaning and Definition of Find definitions for: og•am Pronunciation: (og'um, ô'gum), [key] — n. ogham. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Ogaden Ogasawara Jima 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