Aconitum

·noun The poisonous herb aconite; also, an extract from it.

aconitum
ăcŏnītum, i, n., = ἀκόνιτον, a poisonous plant , wolf's-bane , monk's-hood , aconite , Plin. 27...

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.
aconitum
aconītum (-ton) ī, n a poisonous plant, wolf's-bane, aconite, O., V.—Poet., poison: lurida, O. ...

An Elementary Latin Dictionary