Ac·o·nite n.
  1. Bot. The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous.
  2. An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally.
  Winter aconite, a plant (Eranthis hyemalis) allied to the aconites.
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  winter aconite
       n : small Old World perennial herb grown for its bright yellow
           flowers which appear in early spring often before snow is
           gone [syn: Eranthis hyemalis]