Scal′ing.
1. (Metal-working.) A preliminary process in the manufacture of tin plate. The rectangular plates are bent so as to stand when placed on edge, pickled in dilute muriatic acid, heated in a furnace to remove the scale, cooled, flattened on an anvil, and rolled cold. See tin plate.
2. (Nautical.) The process of adjusting sights to the guns on shipboard was formerly so termed.