[ noun ] dried bark of the cascara buckthorn used as a laxative <noun.plant>
cascara \cascara\ n. the dried bark of the cascara buckthorn used as a laxative; -- called also {cascara sagrada}.
Syn: chittam bark, chittem bark. [WordNet 1.5]
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}.