The meaning of MADAME is —used as a title equivalent to Mrs. for a married woman not of English-speaking nationality.
Madame is the way to address a French woman, as in Madame Curie. It’s officially for married women, like Mrs. in English, but it’s often used for any exotic woman, married and French or not.
Madam is used to address women and madame is used to address a married woman that speaks French. They are pronounced differently, which will help you remember which to use and when.
Use in non-native English-speaking societies The title Madame is commonly used in English for French-speaking women, e.g. "President and Madame De Gaulle."
madame f (plural mesdames) a title or form of address for a woman, formerly for a married woman and now commonly for any adult woman regardless of marital status, used both in direct and third-person address
Madam is a polite way of addressing a woman (the equivalent of “sir”), but Madame (with an “e”) is sometimes used in English instead of “Mrs.” to address a woman from France or another French-speaking country.
/ məˈdæm, mæ- / Add to word list a title for a woman, esp. a married woman from France: Madame Bovary (Definition of Madame from the Cambridge Academic Content Dictionary © Cambridge University Press)
MADAME definition: a French title of respect equivalent to “Mrs.”, used alone or prefixed to a woman's married name or title. See examples of madame used in a sentence.
a French title of respect equivalent to "Mrs.'', used alone or prefixed to a woman's married name or title: Madame Curie. (in English) a title of respect used in speaking to or of an older woman, esp. one of distinction, who is not of American or British origin.