- an American larch, Larix laricina, of the pine family, having a reddish-brown bark and crowded clusters of blue-green needles and yielding a useful timber.
- any of several related, very similar trees.
- the wood of these trees.
- any of several North American larches, esp Larix laricina, which has reddish-brown bark, bluish-green needle-like leaves, and shiny oval cones
- the wood of any of these trees
n.North American red larch, 1805, probably of Algonquian origin (cf. synonymous hackmatack, 1792, from a source akin to Abenaki akemantak “a kind of supple wood used for making snowshoes”).