milieu
nounNAmE//mɪlˈyu//,
[countable, usually singular] (pl. milieus or milieux NAmE//milˈyʊz//, NAmE//milˈyuz//, NAmE//mɪlˈyʊz//, NAmE//mɪlˈyuz//
) (from French) (formal)Check pronunciation: milieu
Definition of milieu noun from the Oxford Advanced American Dictionary