aconitum Meaning, Definition & Usage

  1. noun genus of poisonous plants of temperate regions of northern hemisphere with a vaulted and enlarged petal
    genus Aconitum.

WordNet

Ac`o*ni"tum noun
Etymology
L. See Aconite.
Definitions
  1. The poisonous herb aconite; also, an extract from it.
    Strong As aconitum or rash gunpowder. Shak.

Webster 1913