noun

• (derogatory) An old woman.
  ""Isn't it lovely?" I smiled and thought: "Yes it is. It's also a Blackbird, you silly old bat!"

noun

• (two-up) The piece of wood on which the spinner places the coins and then uses for throwing them.
• (mining) Shale or bituminous shale.
  "bituminous shale ; which miners , if I mistake not , call bat"
• (UK, Scotland, dialect) A stroke of work.
• (informal) Rate of motion; speed.
  "On starting, The Nun led at a very slow pace for a quarter of a mile, when the Shrigley colt made running at a good bat."

verb

• (transitive) To hit with a bat or (figuratively) as if with a bat.
  "He batted the ball away with a satisfying thwack."
• (intransitive) To take a turn at hitting a ball with a bat in sports like cricket, baseball and softball, as opposed to fielding.
• (intransitive) To strike or swipe as though with a bat.
  "The cat batted at the toy."
• (UK, dialect, obsolete) To bate or flutter, as a hawk.

verb

• (transitive) To flutter
  "to bat one’s eyelashes"
• (US, UK, dialect) To wink.
• (intransitive, usually with ‘around’ or ‘about’) To flit quickly from place to place.
  "I’ve spent all week batting around the country."