old lady

noun5

1. •
   (informal) An elderly woman.

   • The door was opened by a little old lady.
2. •
   (slang) One's mother.

   • My old lady was fond of corporal punishment.
3. •
   (slang) One's girlfriend, wife or female significant other.

   • His wife was asking where their savings account balance had gone, but the way he put it was that his old lady was ragging him about his pay rate.
4. •
   (UK, informal) The Bank of England, sometimes referred to as the “Old Lady of Threadneedle Street” or simply “The Old Lady”.
5. •
   (slang) A queen.

   • Watch out for that old lady waiting for you.