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Related to Croton Oil: cascara sagrada
croton oil[′krōt·ən ‚ȯil]
A yellow-brown oil obtained from the seeds of the Croton tiglium; used as a purgative and as a substitute for castor oil.
a thick brownish or yellow liquid obtained from the seeds of the purging croton (Croton tiglium). Croton oil acts as a strong cathartic and irritates the skin and mucous membranes. Even in small doses (over 20 drops), it can be fatal.