conium

co·ni·um  (kn-m)

n.

The poison hemlock.

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[Late Latin cnium, from Greek kneion, probably from kna, liquid pitch.]

Thesaurus

Noun

1.

Conium - small genus of highly toxic biennials: hemlock genus Conium rosid dicot genus - a genus of dicotyledonous plants Apiaceae, carrot family, family Apiaceae, family Umbelliferae, Umbelliferae - plants having flowers in umbels: parsley; carrot; anise; caraway; celery; dill Nebraska fern, poison hemlock, poison parsley, winter fern, California fern, Conium maculatum, hemlock - large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonous