hackmatack Meaning, Definition & Usage

  1. noun poplar of northeastern North America with broad heart-shaped leaves
    tacamahac; Populus balsamifera; balsam poplar.

WordNet

Hack"ma*tack` noun
Etymology
Of American Indian origin.
Definitions
  1. (Bot.) The American larch (Larix Americana), a coniferous tree with slender deciduous leaves; also, its heavy, close-grained timber. Called also tamarack.

Webster 1913