noun one who chases or engraves. ·see 5th chase, and enchase.
2. chaser ·noun one who or that which chases; a pursuer; a driver; a hunter.
3. chaser ·noun ·same·as chase gun, ·esp. in terms bow chaser and stern chaser. ·see under bow, stern.
4. chaser ·noun a tool with several points, used for cutting or finishing screw threads, either external or internal, on work revolving in a lathe.