BAT

A large stick; a club; specifically, a piece of wood with one end thicker or broader than the other, used in playing baseball, cricket, etc.

Shale or bituminous shale. Kirwan.

A sheet of cotton used for filling quilts or comfortables; batting.

A part of a brick with one whole end. Bat bolt (Machinery), a bolt barbed or jagged at its butt or tang to make it hold the more firmly. Knight.

To strike or hit with a bat or a pole; to cudgel; to beat. Holland.

To use a bat, as in a game of baseball.

One of the Cheiroptera, an order of flying mammals, in which the wings are formed by a membrane stretched between the elongated fingers, legs, and tail. The common bats are small and insectivorous. See Cheiroptera and Vampire. Bat tick (Zoöl.), a wingless, dipterous insect of the genus Nycteribia, parasitic on bats.