Webster's Revised Unabridged Dictionary · 1913

Tamarack

Tamarack , noun

(a)
(Botany) The American larch; also, the larch of Oregon and British Columbia (Larix occidentalis). See Hackmatack, and Larch.
(b)
(Botany) The black pine (Pinus Murrayana) of Alaska, California, etc. It is a small tree with fine-grained wood.