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1. A tropical shrub or tree (Croton eluteria) native to the West Indies and northern South America, having a bark that yields an aromatic spicy oil used as a flavoring and fragrance.
2. The bark of this plant.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.