| 单词 | cascara buckthorn | 
| 释义 | cascara buckthorn in British English (kæsˈkɑːrə ˈbʌkˌθɔːn) noun   another name for cascara (sense 2) cascara in British English (kæsˈkɑːrə) noun 1.  cascara sagrada 2.  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 Word originC19: from Spanish: bark, from cascar to break, from Vulgar Latin quassicāre (unattested) to shake violently, shatter, from Latin quassāre to dash to pieces | 
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