/ Dictionary / Index C cascara: Meaning and Definition of Find definitions for: cas•car•a Pronunciation: (kas-kâr'u), [key] — n. a buckthorn, Rhamnus purshiana, of the Pacific coast of the U.S., having finely toothed leaves and flowers in umbels and yielding cascara sagrada. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cascara (Thesaurus) Cascade Range cascara sagrada 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