The Collaborative International Dictionary of English v.0.48:

Pekinese \Pekinese\, Pekingese \Pekingese\n.
   a Chinese breed of small short-legged dogs with a long silky
   coat and broad flat muzzle.

   Syn: Pekingese, Peke.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Pekinese
    n 1: a Chinese breed of small short-legged dogs with a long
         silky coat and broad flat muzzle [syn: Pekinese,
         Pekingese, Peke]