- any plant belonging to the genus Aconitum, of the buttercup family, having irregular flowers usually in loose clusters, including species with poisonous and medicinal properties.
- any of various N temperate plants of the ranunculaceous genus Aconitum, such as monkshood and wolfsbane, many of which are poisonousCompare winter aconite
- the dried poisonous root of many of these plants, sometimes used as an antipyretic
poisonous plant (also known as monkshood and wolf’s bane), 1570s, from French aconit, from Latin aconitum, from Greek akoniton, of unknown origin.
- The dried leaves and roots of various herbs of the genus Aconitum, especially Aconitum napellus, containing aconitine. It is used externally as an analgesic and was formerly used internally as a sedative.monkshood