Definitions for wolfsbaneˈwʊlfsˌbeɪn
Random House Webster's College Dictionary
any of several plants of the genus Aconitum, of the buttercup family, esp. A. lycoctonum, bearing hood-shaped purplish blue flowers.
Origin of wolfsbane:
wolfsbane, wolfbane, wolf's bane, Aconitum lycoctonum(noun)
poisonous Eurasian perennial herb with broad rounded leaves and yellow flowers and fibrous rootstock
Any of several poisonous perennial herbs of the genus Aconitum.
Origin: From wolf + bane, calque of λυκοκτόνον, from λύκος + κτείνω. Influenced by Latin lycoctonum.
a poisonous plant (Aconitum Lycoctonum), a kind of monkshood; also, by extension, any plant or species of the genus Aconitum. See Aconite