any of a breed of toy dog, developed in China, with long, silky hair, short legs, a short, square muzzle, and a plumed tail curved over the back
See Shih Tzu in American Heritage Dictionary 4
(shēˈ dzo͞oˈ)
noun
A small dog of a breed originally developed in Tibet, having a long thick coat, short legs, a broad head with a short square muzzle, and a tail that curls over the back.