'Monsieur' definitions:
Definition of 'Monsieur'
From: WordNet
noun
Used as a French courtesy title; equivalent to English `Mr'
Definition of 'Monsieur'
From: GCIDE
- Monsieur \Mon*sieur"\, n.; pl. Messieurs. [F., fr. mon my + Sieur, abbrev. of seigneur lord. See Monseigneur.]
- 1. The common title of civility in France in speaking to, or of, a man; Mr. or Sir. [Represented by the abbreviation M. or Mons. in the singular, and by MM. or Messrs. in the plural.] [1913 Webster]
- 2. The oldest brother of the king of France. [1913 Webster]
- 3. A Frenchman. [Contemptuous] --Shak. [1913 Webster]