From Middle English henbane, hennebane ( > French hanebane), equivalent to hen + bane. Cognate with Danish hønsebane, Swedish hönsbane. Compare also Old English hennebelle (“henbane”, literally “hen-bell”).
- A poisonous plant, Hyoscyamus niger, used sometimes as a drug that causes at least hallucinations, dilated pupils, restlessness, and flushed skin.
- Any other plant of the genus Hyoscyamus.