Aconitum

noun

1. A genus of poisonous herbs, natural order Ranunculaceæ, including 20 species, natives of the mountains of the northern hemisphere.
2. The poisonous herb aconite; also, an extract from it.
3. The poisonous herb aconite; also, an extract from it.
4. Aconitum, a genus of plants in the family Ranunculaceae.
5. genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal