Rham·nus n. Bot. A genus of shrubs and small trees; buckthorn. The California Rhamnus Purshianus and the European Rhamnus catharticus are used in medicine. The latter is used for hedges.
◄ ►
Cas·ca·ra sa·gra·da Holy bark; the bark of the California buckthorn (Rhamnus Purshianus), used as a mild cathartic or laxative; -- called also cascara.
◄ ►
Rhamnus purshianus
n : shrubby tree of the Pacific coast of the United States;
yields cascara sagrada [syn: cascara buckthorn, bearberry,
bearwood, chittamwood, chittimwood]