noun shale or bituminous shale.
2. bat ·add. ·noun a stroke of work.
3. bat ·noun a part of a brick with one whole end.
4. bat ·add. ·noun rate of motion; speed.
5. bat ·add. ·noun a stroke; a sharp blow.
6. bat ·vi to use a bat, as in a game of baseball.
7. bat ·add. ·noun a spree; a jollification.
8. bat ·add. ·noun ·same·as tical, ·noun, 1.
9. bat ·add. ·noun manner; rate; condition; state of health.
10. bat ·add. ·noun in badminton, tennis, and similar games, a racket.
11. bat ·add. ·vt & ·vi to bate or flutter, as a hawk.
12. bat ·add. ·vt & ·vi to wink.
13. bat ·noun a sheet of cotton used for filling quilts or comfortables; batting.
14. bat ·vt to strike or hit with a bat or a pole; to cudgel; to beat.
15. bat ·noun 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.
xvi. bat ·noun 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.