/ Dictionary / Index T Tacna-Arica: Meaning and Definition of Find definitions for: Tac•na-A•ri•ca Pronunciation: (tak'nu-u-rē'ku Sp. täk'nä-ä-rē'kä), [key] — n. a maritime region in W South America: long in dispute between Chile and Peru; annexed by Chile 1883; divided as a result of arbitration 1929 into a Peruvian department and a Chilean department Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tacmahack taco Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language