/ Dictionary / Index A Arica: Meaning and Definition of Find definitions for: A•ri•ca Pronunciation: (u-rē'ku Sp. ä-rē'kä), [key] — n. a seaport in N Chile. 112,300. See under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arianism arid Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language