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 (Tacna ) and a Chilean department (Arica ).
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British Dictionary definitions for Tacna-Arica
a coastal desert region of W South America, long disputed by Chile and Peru: divided in 1929 into the Peruvian department of Tacna and the Chilean department of Arica
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012