scantling
scant.ling \'skant-lin, -l*n\ n [alter. of ME scantilon, lit., mason's or carpenter's gauge, fr. ONF e]scantillon 1a: the breadth and thickness of timber and stone used in building 1b: the dimensions of a frame or strake used in shipbuilding 2: a small quantity, amount, or proportion : MODICUM 3: a small piece of lumber (as an upright piece in house framing)