/ Dictionary / Index C Cordillera Oriental: Meaning and Definition of Find definitions for: Cor•di•lle•ra O•rien•tal Pronunciation: (kôr"ē-ye'rä ô"ryen-täl'), [key] the eastern ranges of the Andes, in Bolivia, Colombia, and Peru. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cordillera Occidental Cordillera Real Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language