me·ze·re·on (mə-zîrē-ən) or me·ze·re·um (-əm)
1. A poisonous Eurasian ornamental shrub (Daphne mezereum) having fragrant lilac-purple flowers and small scarlet fruit.
2. The dried bark of this plant, formerly used for medicinal purposes.
[Middle English mizerion, from Medieval Latin mezereon, from Arabic māzaryūn, of Persian origin.]
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