"hemlocks" 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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