Aconite
From BiblePortal Wikipedia
Webster's Dictionary [1]
(1): (n.) The herb wolfsbane, or monkshood; - applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous.
(2): (n.) An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally.
The Nuttall Encyclopedia [2]
Monk's-hood, a poisonous plant of the ranunculus order with a tapering root.
