/ Dictionary / Index U Uspallata Pass: Meaning and Definition of Find definitions for: Us•pa•lla'ta Pass' Pronunciation: (s"pä-yä'tu Sp. s"pä-yä'tä), [key] a mountain pass in S South America, in the Andes, connecting Mendoza, Argentina, and Santiago, Chile. ab. 12,600 ft. (3840 m) high. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. U.S.P. USPHS Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language