n. The act of one who spins.n. The process of giving shape to vessels of thin metal by means of a turning-lathe.n. In angling, fishing with a spinner. See spinner, 1 .n. The operation of running off a part of the water on the top of the charge in an amalgamating-mill.n. The operation of molding metals such as silver, etc., while they are rapidly revolving (‘spinning’), in a manner similar to the molding of wet clay, into pitchers, vases, etc.