The Collaborative International Dictionary of English v.0.48:

Phasianidae \Phasianidae\ prop. n.
   A natural family of fowl including the pheasants, quails, and
   partridges.

   Syn: family Phasianidae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Phasianidae
    n 1: pheasants; quails; partridges [syn: Phasianidae, family
         Phasianidae]