/ Dictionary / Index O OES: Meaning and Definition of Find definitions for: OES Pronunciation: [key] Office of Economic Stabilization. Order of the Eastern Star. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. oersted Oesel Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language