/pon"deuh roh"seuh, pon'-/
1. Also called western yellow pine . a large pine, Pinus ponderosa, of western North America, having yellowish-brown bark: the state tree of Montana.
2. the light, soft wood of this tree, used for making furniture and in the construction of houses, ships, etc.
[ 1875-80, Amer.; Pinus ponderosa (1836) lit., heavy pine; see PONDEROUS ]