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: Webster's Revised Unabridged Dictionary (1913)