hemlock

Definitions of hemlock
1

n 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

Synonyms:
California fern, Conium maculatum, Nebraska fern, poison hemlock, poison parsley, winter fern
Type of:
poisonous plant
a plant that when touched or ingested in sufficient quantity can be harmful or fatal to an organism

n poisonous drug derived from an Eurasian plant of the genus Conium

“Socrates refused to flee and died by drinking hemlock
Type of:
phytotoxin, plant toxin
any substance produced by plants that is similar in its properties to extracellular bacterial toxin

n an evergreen tree

Synonyms:
hemlock tree
Types:
show 4 types...
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Canadian hemlock, Tsuga canadensis, eastern hemlock, spruce pine
common forest tree of the eastern United States and Canada; used especially for pulpwood
Carolina hemlock, Tsuga caroliniana
medium-sized evergreen of southeastern United States having spreading branches and widely diverging cone scales
Tsuga mertensiana, black hemlock, mountain hemlock
large evergreen of western United States; wood much harder than Canadian hemlock
Pacific hemlock, Tsuga heterophylla, west coast hemlock, western hemlock
tall evergreen of western North America; commercially important timber tree
Type of:
conifer, coniferous tree
any gymnospermous tree or shrub bearing cones

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

Type of:
wood
the hard fibrous lignified substance under the bark of trees

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