¹ bat noun

• a long rounded stick that is used to hit the ball in baseball
• a long flattened stick that is used to hit the ball in cricket
• paddle

² bat verb

• to hit (something, such as a ball) with a bat, club, etc., or with your hand
• to try to hit a ball with a bat in baseball, cricket, or a similar game
• to have a specified batting average

³ bat noun

• an animal that has wings and a furry body like a mouse
• an unpleasant old woman

⁴ bat verb

• to close and open (your eyes or eyelashes) very quickly several times especially as a way of flirting