madam Meaning, Definition & Usage

  1. noun a woman of refinement
    gentlewoman; ma'am; lady; dame.
    • a chauffeur opened the door of the limousine for the grand lady
  2. noun a woman who runs a house of prostitution
    brothel keeper.

WordNet

Mad"am noun
Etymology
See Madame.
Wordforms
plural Madams, or Mesdames
Definitions
  1. 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.

Webster 1913