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buckthorn
noun
- any of a genus (Rhamnus) of thorny trees or shrubs of the buckthorn family, bearing small greenish flowers and purple berries
- any of a genus (Bumelia) of trees of the sapodilla family, native to the S U.S.
adjective
designating a family (Rhamnaceae, order Rhamnales) of dicotyledonous shrubs and trees, including the cascara, jujube, and redroot
See buckthorn in American Heritage Dictionary 4
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