/ Dictionary / Index U uakari: Meaning and Definition of Find definitions for: ua•ka•ri Pronunciation: (wä-kär'ē), [key] — pl. -ris. any of several medium-sized, tree-dwelling Amazon basin monkeys of the genus Cacajao, the only New World monkeys having a short tail: all are now rare. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: uakari (Thesaurus) U.A.E. UAM Related Content Daily Word Quiz: slough Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language