baneberry

 
Pronunciation: /ˈbeɪnb(ə)ri/

noun (plural baneberries)

  • a plant of the buttercup family, which bears fluffy spikes of creamy-white flowers followed by shiny berries, found in north temperate regions.
    • Genus Actaea, family Ranunculaceae, especially the common Eurasian A. spicata (also called herb Christopher), with black berries
  • the bitter, often poisonous, berry of the baneberry.

Origin:

mid 18th century: from bane in the sense 'poison' + berry