madam

formal plural mesdames /meɪˈdɑːm/ /meɪˈdæm/ — used to politely speak to a woman who you do not know

Madam — used at the start of a formal letter to a woman whose name you do not know

Madam — used when you are speaking to a woman who has a high rank or position

: a woman who is in charge of a brothel

British, informal + disapproving : a girl who expects other people to do things for her