cascara sagrada Meaning, Definition & Usage

  1. noun dried bark of the cascara buckthorn used as a laxative
    chittem bark; cascara; chittam bark.

WordNet

Cas"ca*ra sa*gra"da
Etymology
Sp.
Definitions
  1. Holy bark; the bark of the California buckthorn (Rhamnus Purshianus), used as a mild cathartic or laxative.

Webster 1913