A piece of timber sawed or cut of a small size, as for studs, rails, etc.
The dimensions of a piece of timber with regard to its breadth and thickness; hence, the measure or dimensions of anything.
Dimensions of a piece of timber in breadth and thickness, but not including length. (Wood, Margaret. The English Medieval House, 414)
A term applied to any piece of timber, with regard to its breadth and thickness, when reduced to the standard size.
beam or timber of small cross section, such as 2x4.
Scantling, measurement of prescribed size, dimensions, particularly used of timber and stone and also of vessels.