The Collaborative International Dictionary
Cascara buckthorn
Cascara buckthorn \Cas"ca*ra buck"thorn`\ (Bot.) The buckthorn ( Rhamnus Purshiana) of the Pacific coast of the United States, which yields cascara sagrada. [Webster 1913 Suppl.] ||
WordNet
cascara buckthorn
n. shrubby tree of the Pacific coast of the United States; yields cascara sagrada [syn: bearberry, bearwood, chittamwood, chittimwood, Rhamnus purshianus]