1. Any of various plants of the genus Croton, which includes the sources of cascarilla bark and croton oil.
2. A closely related Old World tropical evergreen shrub (Codiaeum variegatum) widely cultivated as a houseplant for its glossy multicolored foliage.
[New Latin Croton, genus name, from Greek krotōn, castor oil plant, from krotōn, tick, sheep tick (the seeds of the castor-oil plant having a ticklike appearance).]
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