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Related to croton oil: cascara sagrada
A brownish-yellow, acrid-smelling oil obtained from the seeds of a tropical Asian shrub or small tree (Croton tiglium) and formerly used as a purgative.
(Pharmacology) a yellowish-brown oil obtained from the plant Croton tiglium, formerly used as a drastic purgative. See also croton1
an oil, expressed from the seeds of the croton, Croton tiglium, that is a drastic purgative and counterirritant.