The Collaborative International Dictionary of English v.0.48:

Veterinary \Vet"er*i*na*ry\ (v[e^]t"[~e]r*[i^]*n[asl]*r[y^]), a.
   [L. veterinarius of or belonging to beasts of burden and
   draught, fr. veterinus, probably originally, of or pertaining
   to yearlings: cf. F. v['e]t['e]rinaire. See Veteran,
   Wether.]
   Of or pertaining to the art of healing or treating the
   diseases of domestic animals, as oxen, horses, sheep, various
   pets, etc.; as, a veterinary writer or school.
   [1913 Webster]

WordNet (r) 3.0 (2006):

veterinary
    adj 1: of or relating to veterinarians or veterinary medicine
    n 1: a doctor who practices veterinary medicine [syn:
         veterinarian, veterinary, veterinary surgeon, vet]