cascara : Idioms & Phrases
cascara buckthorn
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noun shrubby tree of the Pacific coast of the United States; yields cascara sagrada
bearberry; Rhamnus purshianus; chittamwood; chittimwood; bearwood.
WordNet
cascara sagrada
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noun dried bark of the cascara buckthorn used as a laxative
chittem bark; cascara; chittam bark.
WordNet
Cas"ca*ra sa*gra"da
Etymology
Sp.Definitions
Holy bark; the bark of the California buckthorn ( Rhamnus Purshianus ), used as a mild cathartic or laxative.