noun
plural -ams
[count] pl mesdames /meɪˈdɑːm, meɪˈdæm/ formal - 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
Brit informal + disapproving :a girl who expects other people to do things for her
US