Medical Dictionary


noun co·ni·um \kō-ˈnī-əm, ˈkō-nē-\

Medical Definition of CONIUM

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
:  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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