/ Dictionary / Index O Oregon: Meaning and Definition of Find definitions for: Or•e•gon Pronunciation: (ôr'i-gun, -gon", or'-), [key] — n. a state in the NW United States, on the Pacific coast. 2,632,663; 96,981 sq. mi. (251,180 sq. km). Cap.: Salem. Abbr.: Oreg., Ore., OR (for use with zip code). a city in NW Ohio. 18,675. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: oregon (Thesaurus) oregano Oregon cedar Related Content Daily Word Quiz: penury Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language