Noun
1. poisonous drug derived from an Eurasian plant of the genus Conium;
"Socrates refused to flee and died by drinking hemlock"2. 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
3. soft coarse splintery wood of a hemlock tree especially the western hemlock
4. an evergreen tree