/ Dictionary / Index A Argentina: Meaning and Definition of Find definitions for: Ar•gen•ti•na Pronunciation: (är"jun-tē'nu Sp. är"hen-tē'nä), [key] — n. a republic in S South America. 27,862,771; 1,084,120 sq. mi. (2,807,870 sq. km). Cap.: Buenos Aires. Also calledOfficial name, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: argentina (Thesaurus) argentiferous argentine Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language