/ Dictionary / Index O Organization of Petroleum Exporting Countries: Meaning and Definition of Find definitions for: Organiza'tion of Petro'leum Ex'porting Coun"tries. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Organization of American States organize Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language