Nouns

(n)hemlockpoisonous drug derived from an Eurasian plant of the genus Conium“Socrates refused to flee and died by drinking hemlock”
(n)hemlock, poison hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatumlarge 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
(n)hemlocksoft coarse splintery wood of a hemlock tree especially the western hemlock
(n)hemlock, hemlock treean evergreen tree, could refer to any one of a genus of conifers named Tsuga