Meaning of “madam” - Learner’s Dictionary


noun uk us /ˈmædəm/ formal

B1 (also Madam) You call a woman 'madam' when you are speaking to her politely:

This way, madam.

B2 You write 'Madam' at the beginning of a formal letter to a woman when you do not know her name:

Dear Madam, I am writing to...

(Definition of “madam” from the Cambridge Learner’s Dictionary © Cambridge University Press)