/ Dictionary / Index A Aconcagua: Meaning and Definition of Find definitions for: A•con•ca•gua Pronunciation: (ä"kông-kä'gwä), [key] — n. a mountain in W Argentina, in the Andes: the highest peak in the Western Hemisphere. 22,834 ft. (6960 m). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: aconcagua (Thesaurus) Acoma aconite Related Content Daily Word Quiz: knead Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language