Source : Webster's Revised Unabridged Dictionary (1913)

Fete \F[^e]te\, n. [F. See {Feast}.]
   A festival.

   {F[^e]te champ[^e]tre}[F.], a festival or entertainment in
      the open air; a rural festival.

Source : WordNet®

fete champetre
     n : a party of people assembled for social interaction out of
         doors [syn: {garden party}, {lawn party}]