Made or prepared in or by a grinding-mill.Having undergone the operations of a mill or coining-press: as, milled money. See milled money, below.Serrated or transversely grooved.Having been formed or treated by machinery; specifically, in printing, made smooth by calendering rollers in a paper-mill.Worked in a mill or by machinery: said especially of boards and planks which are cut and then planed by the power-mill.