Cas·ca·ra buck·thorn Bot. The buckthorn (Rhamnus Purshiana) of the Pacific coast of the United States, which yields cascara sagrada.
◄ ►
cascara buckthorn
n : shrubby tree of the Pacific coast of the United States;
yields cascara sagrada [syn: bearberry, bearwood, chittamwood,
chittimwood, Rhamnus purshianus]