/ Dictionary / Index C Cordillera Occidental: Meaning and Definition of Find definitions for: Cor•di•lle•ra Oc•ci•den•tal Pronunciation: (kôr"ē-ye'rä ôk"sē-en-täl'), [key] the western coastal ranges of the Andes, in Peru and Colombia. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Cordillera de Talamanca Cordillera Oriental Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language