"hemlock" in the noun sense

1. hemlock

poisonous drug derived from an Eurasian plant of the genus Conium

"Socrates refused to flee and died by drinking hemlock"

2. hemlock, poison hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatum

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. hemlock

soft coarse splintery wood of a hemlock tree especially the western hemlock

4. hemlock, hemlock tree

an evergreen tree

Source: WordNet® (An amazing lexical database of English)

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