western hemlock

noun

Definition of western hemlock 

: a commercially important timber tree (Tsuga heterophylla) ranging from Alaska to California and having leaves that are of uniform width throughout and lack prominent pale stomatic lines beneath

called also Pacific hemlock, west coast hemlock

— compare eastern hemlock

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First Known Use of western hemlock

1867, in the meaning defined above

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The first known use of western hemlock was in 1867

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