mad‧am S3 /ˈmædəm/ noun
[Date: 1200-1300; Language: Old French; Origin: ma dame 'my lady']

1. formal used to address a woman in a polite way, especially a customer in a shop Synonym : ma'am American English:
Are you being served, Madam?

2. Dear Madam formal used at the beginning of a business letter to a woman, when you do not know her name

3. Madam President/Ambassador etc used to address a woman who has an important official position

4. [countable] a woman who is in charge of a brothel

5. a (proper) little madam British English informal a young girl who is very confident and who expects other people to do everything she wants

[TahlilGaran] Dictionary of Contemporary English ▲