Definify.com
Webster 1913 Edition
Monsieur
‖
Mon-sieur′
,Noun.
pl.
Messieurs
(#)
. 1.
The common title of civility in France in speaking to, or of, a man; Mr. or Sir.
[Represented by the abbreviation or in the plural.]
M.
or Mons.
in the singular, and by MM.
Messrs.
2.
The oldest brother of the king of France.
3.
A Frenchman.
[Contemptuous]
Shak.
Webster 1828 Edition
Monsieur
MONSIEUR
,Noun.