Flat·ting n.
 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 coat, a coat of paint so put on as to have no gloss.
 Flatting furnace. Same as flattening oven, under Flatten.
 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.

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