n. A chaser; a hunter.n. One who catches; that which catches, or in which anything is caught.n. Specifically— In base-ball and similar games, the player who stands behind the bat or home-base to catch the ball when pitched. See base-ball. In mining: An arrangement to prevent overwinding, or raising the cage too high as it comes out of the shaft. Also, in Leicestershire, England, the equivalent of cage-shuts (which see). In general, any arrangement at the mouth of the shaft, or on the pump, by means of which accidents may be prevented in case a part of the machinery gives way. plural In ornithology, the raptorial birds, or birds of prey: a term translating Captantes, one of the names of the order.n. One who sings catches.