[f. CHASE v.2 + -ER.]
1. One who chases or engraves metal.
1707. Earl Bindon, in Lond. Gaz., No. 4339/3. Engravers, Carvers, Chacers.
176271. H. Walpole, Vertues Anecd. Paint. (1786), I. 153. Enamellers and chasers of plate.
1872. Yeats, Techn. Hist. Comm., 371. Machinery has invaded even the art of the chaser.
2. A tool used for cutting the threads of screws.
1881. Hasluck, Lathe Work, 46. The screw thread is originated by hand with the chaser.
3. Metall. One of the edge-wheels that revolves in a trough, to grind substances to powder.