Lumber cut to a particular size and stocked for the building industry; usually 2 to 5 in. (5.1 to 12.7 cm) thick and 5 to 12 in. (12.7 to 30.5 cm) wide.
Lumber cut to a particular size and stocked for the building industry; usually 2 to 5 in. (5.1 to 12.7 cm) thick and 5 to 12 in. (12.7 to 30.5 cm) wide.