Main Entry: mad·am

Pronunciation: \ˈma-dəm\

Function: noun

Inflected Form(s): plural madams

Etymology: Middle English, from Anglo-French ma dame, literally, my lady

Date: 14th century

1 plural mes·dames \mā-ˈdäm, -ˈdam\ : lady —used without a name as a form of respectful or polite address to a woman
2 : mistress 1 —used as a title formerly with the given name but now with the surname or especially with a designation of rank or office <Madam Chairman> <Madam President>
3 : the female head of a house of prostitution
4 : the female head of a household : wife