/ Dictionary / Index O OG: Meaning and Definition of Find definitions for: OG Pronunciation: [key] See O.G. Pronunciation: [key] See ogee. See(def. 1). o.g. Pronunciation: [key] original gum: the gum on the back of a stamp when it is issued to the public. ogee. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ofuro Ogaden 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