| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024cas•car•a (kas kâr′ə),USA pronunciation n. - Plant Biologya 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 cascar′a buck′thorn, bearberry, chittamwood.
- Spanish cáscara bark, perh. akin to cascar to crack Vulgar Latin *quassicāre, equivalent. to Latin quass(āre) to shatter (see quash) + -icā- formative verb, verbal suffix + -re infinitive ending
- 1875–80, American.
Collins Concise English Dictionary © HarperCollins Publishers:: cascara /kæsˈkɑːrə/ n - See cascara sagrada
Also called: cascara buckthorn, bearwood a shrub or small tree, Rhamnus purshiana of NW North America, whose bark is a source of cascara sagrada: family Rhamnaceae
Etymology: 19th Century: from Spanish: bark, from cascar to break, from Vulgar Latin quassicāre (unattested) to shake violently, shatter, from Latin quassāre to dash to pieces |