'Rhamnus Purshianus' definitions:

Definition of 'Rhamnus purshianus'

From: WordNet
noun
Shrubby tree of the Pacific coast of the United States; yields cascara sagrada [syn: cascara buckthorn, bearberry, bearwood, chittamwood, chittimwood, Rhamnus purshianus]

Definition of 'Rhamnus Purshianus'

From: GCIDE
  • Rhamnus \Rham"nus\, n. [NL., from Gr. "ra`mnos a kind of prickly shrub; cf. L. rhamnos.] (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. [1913 Webster]

Definition of 'Rhamnus Purshianus'

From: GCIDE
  • Cascara sagrada \Cas"ca*ra sa*gra"da\ (k[.a]s"k[.a]*r[.a] s[.a]*gr[aum]"d[.a]). [Sp.] Holy bark; the bark of the California buckthorn ({Rhamnus Purshianus}), used as a mild cathartic or laxative; -- called also cascara. [1913 Webster]