hellebore

noun2

1. •
   Any of the common garden flowering plants of the genus Helleborus, in family Ranunculaceae, having supposed medicinal properties.

   • Aretaeus recommends moderate venaesection to be repeated, if the patient is plethoric, purging with black hellebore, and in some cases emetics; nourishing diet. — 1811
2. •
   A toxic extract of certain false hellebores (Veratrum album or Veratrum viride), formerly used as a pesticide.