MADAM
Source: 566, 567
madam. Madam, n. an address paid to a gentlewoman, a title
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Mad″am (?), n.; pl. Madams, or Mesdames (#). [[See Madame.]] 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.