1.The process or operation of making flat, as a cylinder of glass by opening it out.
2.A mode of painting,in which the paint, being mixed with turpentine, leaves the work without gloss.
3.A method of preserving gilding unburnished, by touching with size.
4.The process of forming metal into sheets by passing it between rolls.
Flatting mill. (a)A rolling mill producing sheet metal; esp., in mints, the mill producing the ribbon from which the planchets are punched.
(b)A mill in which grains of metal are flatted by steel rolls, and reduced to metallic dust, used for purposes of ornamentation.