(bat) noun
1. Any heavy cudgel or club.
2. Batting.
3. In baseball, cricket, and other games: a A stick or club for striking the ball, usually having one end wider or heavier than the other. b A turn at bat or the right to such a turn. c A racket, as in tennis. d The act of batting. e The batsman, as in cricket.
4. A fragment or lump of clay.
5. Colloq. A blow, as with a stick.
6. Colloq. Speed; rate of motion.
7. Slang A drunken carousal; a spree.
—at bat In the act or position of batting.
—to go to bat for Colloq. To defend or advocate the cause of.
—v. bat·ted, bat·ting v.i.
1. In baseball, cricket, and other games: a To use a bat. b To take a turn at bat.
2. Slang To go hurriedly.
—v.t.
3. To strike with or as with a bat.
—to bat around Slang
1. To move or travel about.
2. To discuss, as a proposal or idea.
3. In baseball, to have the whole team bat in one inning. [OE batt cudgel]

(bat) noun
Any of numerous nocturnal flying mammals (order Chiroptera), having greatly elongated fore limbs and digits that support a thin wing membrane extending to the hind limbs and sometimes to the tail.
—blind as a bat Altogether blind.
—to have bats in the belfry SlangTo be crazy. [ME bakke,? <Scand.]
—bat′like′ adjective

(bat) v.t. Colloq.
To wink; flutter.
—not bat an eye Colloq. Not show surprise or other reaction. [Var. of BATE³]

(bät)
See BAHT.