The Collaborative International Dictionary of English v.0.48:

cervid \cervid\ n.
   any member of the family Cervidae, a type of deer
   distinguished from the Bovidae by the male's having solid
   deciduous antlers.

   Syn: deer.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

cervid
    n 1: distinguished from Bovidae by the male's having solid
         deciduous antlers [syn: deer, cervid]