noun,pluralmes·dames[mey-dam, -dahm; French mey-dam]. /meɪˈdæm, -ˈdɑm; French meɪˈdam/. (often initial capital letter)
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, especially one of distinction, who is not of American or British origin. Abbreviation: Mme.
Origin of madame
From French, dating back to 1590–1600; see origin at madam
But Madame Clinton has never been very elegant in her statements.
What the D-Day Veteran Told Obama at the 70th Anniversary Commemoration|Christopher Dickey|June 6, 2014|DAILY BEAST
Becoming impatient of this delay, Madame Nelson pressed them for an explanation.
A Lady's Captivity among Chinese Pirates in the Chinese Seas|Fanny Loviot
Because, if we were all singing, madame, we should not have the pleasure of hearing mademoiselle.
Monsieur Cherami|Charles Paul de Kock
The cupboard was in an antechamber which served as the public passage by which the apartments of Madame were reached.
The Memoirs of Louis XIV., His Court and The Regency, Complete|Duc de Saint-Simon
Madame, however, paid but little heed to Kathleen; she was beside herself with rage.
The Crime Club|William Holt-White
I only say this, Madame Flamingo, to prove to you that Grouski is none of your mock articles.
An Outcast|F. Colburn Adams
British Dictionary definitions for madame
madame
/ (ˈmædəm, Frenchmadam) /
nounpluralmesdames (ˈmeɪˌdæm, Frenchmedam)
a married Frenchwoman: usually used as a title equivalent to Mrs, and sometimes extended to older unmarried women to show respect and to women of other nationalities