wolfsbane

/ˈwʊlfsˌbeɪn/
noun
  1. A poisonous plant with blue or purple flowers, also called aconite or monkshood.
    • Gardeners must be careful with wolfsbane because all parts of the plant are toxic.
    • Wolfsbane grows wild in the mountains and has beautiful hooded flowers.
    • In old stories, people used wolfsbane to poison arrows or to keep wolves away.
Synonyms