A cricket-bat (made of willow-wood). Similarly, the bat at baseball. Cf. King Willow n. at king, n. compounds 4b.

Chiefly North American (originally U.S.). The ball used in the game of baseball (sense 1b).

In baseball, the implement used to strike the ball or the act of using it; esp, in phrases at bat, hot (or right) off the bat, to (the) bat; also…

a bat of the type used in baseball to hit pitched balls, having a cylindrical head which tapers towards the handle.

a padded leather glove worn by baseball fielders to catch a thrown or batted ball, often spec. one having individual pockets for each finger; cf. mitt…

U.S. colloquial. A baseball. Also more fully old apple.

a baseball deemed to have a livelier bounce than is usual; a ball that can be easily hit for a long distance.

U.S. slang. A baseball bat. Obsolete.