[f. CHASE v.2 + -ER.]

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  1.  One who chases or engraves metal.

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1707.  Earl Bindon, in Lond. Gaz., No. 4339/3. Engravers, Carvers, Chacers.

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1762–71.  H. Walpole, Vertue’s Anecd. Paint. (1786), I. 153. Enamellers and chasers of plate.

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1872.  Yeats, Techn. Hist. Comm., 371. Machinery has invaded even the art of the chaser.

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  2.  A tool used for cutting the threads of screws.

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1881.  Hasluck, Lathe Work, 46. The screw thread is originated by hand with the chaser.

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  3.  Metall. One of the edge-wheels that revolves in a trough, to grind substances to powder.

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