[white spruce] n (1770) 1: any of several spruces; esp: a widely distributed spruce (Picea glauca) of coniferous forests of Canada and the northern U.S. that has short stiff blue-green needles and slender cones
2: the wood of a white spruce; esp: the light pale tough straight-grained wood of the common white spruce (Picea glauca) used esp. for construction and as a source of paper pulp