What is the meaning of Madame?

Alternative form of madam

madam

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, Mrs. or Ms.; a title used with a woman's full name or surname, or (in childish language) her first name

lady, woman

the female employer of a domestic servant

plural of madama

madam (polite term of address or (less often) title for a noble lady)

madam (polite term of address to a woman)

madam (mistress of a household)

madam (polite term of address to a woman)

madam (mistress of a household)

Synonym of fru (and French)

Source: wiktionary.org