n. [ L. aconitum, Gr. &unr_;: cf. F. aconit. ] 1. (Bot.) The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous. [ 1913 Webster ]
2. An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally. [ 1913 Webster ]
Winter aconite, a plant (Eranthis hyemalis) allied to the aconites. [ 1913 Webster ]