'Demi monde' definitions:

Definition of 'Demi monde'

From: GCIDE

Monde \Monde\ (m[^o]Nd), n. [F. See Mundane.] The world; a globe as an ensign of royalty. [R.] --A. Drummond. [1913 Webster]
Le beau monde [F.], fashionable society. See Beau monde.
Demi monde. See Demimonde. [1913 Webster]