ˈ ̷ ̷ˌ ̷ ̷ noun
Etymology: Middle English, from hen + bane
1.
a. : a poisonous fetid Old World solanaceous herb of the genus Hyoscyamus ( H. niger ) having sticky hairy dentate leaves and yellowish brown flowers and yielding hyoscyamine and scopolamine — called also black henbane
b. : yellow henbane
2. : egyptian henbane