old lady

WordReference Random House Learner's Dictionary of American English © 2025

ˌold ˈla•dy, n. [countable] , pl. old ladies.  [Slang.]

1. Sex and Gender one's mother.
2. one's wife.
3. one's girlfriend or female lover.

WordReference Random House Unabridged Dictionary of American English © 2025

old′ la′dy, [Informal.]

1. a mother, usually one's own.
2. a wife.
3. a girlfriend or female lover, esp. a female lover with whom one cohabits.

• 1775–85

Collins Concise English Dictionary © HarperCollins Publishers::

old lady noun

1. an informal term for mother1, wife1