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hellebore

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noun hel·le·bore \ˈhe-lə-ˌbȯr\

Definition of hellebore

  1. 1 :  any of a genus (Helleborus) of poisonous Eurasian herbs of the buttercup family having showy flowers with petaloid sepals; also :  the dried rhizome of a hellebore (as H. niger) formerly used in medicine

  2. 2 :  a poisonous herb (genus Veratrum) of the lily family; also :  the dried rhizome of a hellebore (V. album or V. viride) that is used as an insecticide and contains toxic alkaloids that are cardiac and respiratory depressants




Medical Dictionary

hellebore

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noun hel·le·bore \ˈhel-ə-ˌbō(ə)r, -ˌbȯ(ə)r\

Medical Definition of hellebore

  1. 1a:  any herb of the genus Helleborusb:  the dried roots and rhizome of any medicinal herb of the genus Helleborus (as black hellebore H. niger or green hellebore H. viridis) or a powder or extract of this used by the ancient Greeks and Romans in treating mental and other disorders

  2. 2a:  any of several poisonous herbs of the genus Veratrumb:  the dried rhizome and roots of either of two hellebores of the genus Veratrum (the false hellebore V. viride of America and V. album of Europe) or a powder or extract of this containing alkaloids (as protoveratrine) used as a cardiac and respiratory depressant and also as an insecticide—called also veratrum, white hellebore




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