|Origin:||ma dame 'my lady'|
used to address a woman in a polite way, especially a customer in a shop [= ma'am American English]
Are you being served, Madam?
used at the beginning of a business letter to a woman, when you do not know her name
used to address a woman who has an important official position
a woman who is in charge of a brothel
5 British English informal
a young girl who is very confident and who expects other people to do everything she wants