/ Dictionary / Index O O'Brien potatoes: Meaning and Definition of Find definitions for: O'Bri'en pota'toes Pronunciation: (ō-brī'un), [key] — Cookery. Cookery. home fries prepared with diced green pepper. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. obreption OBrit Related Content Daily Word Quiz: effervescent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language