/ Dictionary / Index O Ogaden: Meaning and Definition of Find definitions for: O•ga•den Pronunciation: (ō-gä'dān), [key] an arid region in SE Ethiopia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. OG ogam 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