The Collaborative International Dictionary of English v.0.48:

Otididae \Otididae\ prop. n.
   A family of birds related to the cranes, most of which are
   large and ground-running, and comprising the bustards.

   Syn: family Otididae.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Otididae
    n 1: bustards [syn: Otididae, family Otididae]