Source : Webster's Revised Unabridged Dictionary (1913)

Enfleurage \En`fleu`rage"\, n. [F., fr. en- (L. in) + fleur
   flower.]
   A process of extracting perfumes by exposing absorbents, as
   fixed oils or fats, to the exhalations of the flowers. It is
   used for plants whose volatile oils are too delicate to be
   separated by distillation.