/ Dictionary / Index C Cascade Range: Meaning and Definition of Find definitions for: Cascade' Range' Pronunciation: [key] a mountain range extending from N California to W Canada: highest peak, Mt. Rainier, 14,408 ft. (4322 m). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cascade particle cascara Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language