Aconite

['ækənaɪt]

(noun.) any of various usually poisonous plants of the genus Aconitum having tuberous roots and palmately lobed leaves and blue or white flowers.

Edited by Carlos--From WordNet

(n.) The herb wolfsbane, or monkshood; -- applied to any plant of the genus Aconitum (tribe Hellebore), all the species of which are poisonous.

(n.) An extract or tincture obtained from Aconitum napellus, used as a poison and medicinally.

Editor: Whitney

n. wolfsbane, monks-hood.

Checker: Scott

n. the plant wolf's-bane or monk's-hood: poison.—adj. Aconit′ic.—n. Acon′itine the essential principle of aconite.

Checker: Osbert