noun Veterinary Pathology.
a genetic disorder, typically affecting young dogs of medium- to large-sized breeds, characterized by alteration and malformation of the hip joint.
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British Dictionary definitions for hip dysplasia
vet science a common disorder of large and giant-breed dogs, as well as other species, in which the femoral head does not sit properly in the socket of the hip joint
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