Pronunciation: (mad'um; mu-dam', -däm', ma-; Fr. ma-dam'),[key] —n., —pl.mes•damesPronunciation: (mā-dam', -däm'; Fr. mā-dam').[key](often cap.) 1. a French title of respect equivalent to “Mrs.”, used alone or prefixed to a woman's married name or title: Madame Curie. 2. (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. Abbr.: Mme.