Source : Webster's Revised Unabridged Dictionary (1913)

Milieu \Mi`lieu"\, n. [F., fr. mi middle (L. medius) + lieu
   place. See {Demi-}, {Lieu}.]
   Environment.

         The intellectual and moral milieu created by multitudes
         of self-centered, cultivated personalities. --J. A.
                                                  Symonds.

         It is one of the great outstanding facts of his
         progressive relation to the elements of his social
         milieu.                                  --J. M.
                                                  Baldwin.

Source : WordNet®

milieu
     n : the environmental condition [syn: {surroundings}]
     [also: {milieux} (pl)]