The Collaborative International Dictionary of English v.0.48:

Numididae \Numididae\, Numidinae \Numidinae\prop. n. (Zool.)
   A subfamily of birds including the guinea fowl and related
   birds of Africa and Madagascar.

   Syn: subfamily Numididae, subfamily Numidinae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Numididae
    n 1: guinea fowl and related birds of Africa and Madagascar
         [syn: Numididae, subfamily Numididae, Numidinae,
         subfamily Numidinae]