/ Dictionary / Index O onion rings: Meaning and Definition of Find definitions for: on'ion rings" Pronunciation: [key] — Cookery. Cookery. rings of sliced onion, dipped in batter and deep-fried. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. onion dome Onions Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language