slitting mill. (a)A mill where iron bars or plates are slit into narrow strips, as nail rods, and the like. (b)A machine used by lapidaries for slicing stones, usually by means of a revolving disk, called a slicer, supplied with diamond powder. --
slitting roller, one of a pair of rollers furnished with ribs entering between similar ribs in the other roller, and cutting like shears, -- used in slitting metals.