Medical Dictionary

conium

noun co·ni·um \ kō-ˈnī-əm , ˈkō-nē- \

medical Definition of conium

1 a capitalized :a genus of poisonous herbs (family Umbelliferae) that have spotted stems, large divided leaves and white flowers and that include the poison hemlock
b :a plant of the genus Conium
2 :the dried full-grown but unripe fruit of the poison hemlock containing coniine and its methyl derivative and used as a narcotic and sedative

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