/ Dictionary / Index A Arizona: Meaning and Definition of Find definitions for: Ar•i•zo•na Pronunciation: (ar"u-zō'nu), [key] — n. a state in SW United States. 2,717,866; 113,909 sq. mi. (295,025 sq. km). Cap.: Phoenix. Abbr.: AZ (for use with zip code), Ariz. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arizona (Thesaurus) Ariz. Arjuna Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language