madam /ˈmadəm 
/ ▸ noun 1 used to address or refer to a woman in a polite or respectful way: Can I help you, madam?.
▪ (Madam) used to address a woman at the start of a formal or business letter: Dear Madam, ….
▪ (Madam) used before a title to address or refer to a female holder of that position: Madam President.
2 British English derogatory a conceited or bossy girl or young woman: she's a proper little madam.
3 a woman who runs a brothel. – ORIGIN Middle English: from Old French ma dame ‘my lady’.
EnglishOxford Dictionary of English
