one of a Tibetan breed of toy dogs having a long luxurious coat of any color, formerly bred in imperial China as a pet of the nobility.
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British Dictionary definitions for shih-tzu
a small dog of a breed derived from crossing the Pekingese and the Tibetan apso. It has a long straight dense coat and carries its tail curled over its back
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012