Madam
Pronunciation : Mad"am, n.; pl. Madams
Part of Speech : or
Etymology : [See Madame.]
Definition : Defn: A gentlewoman; -- an appellation or courteous form of address given to a lady, especially an elderly or a married lady; -- much used in the address, at the beginning of a letter, to a woman. The corresponding word in addressing a man is Sir.
Mesdames.
Source : Webster's Unabridged Dictionary, 1913