thoroughbred

thoroughbred (http://definr.com/thoroughbred)

     adj : having a list of ancestors as proof of being a purebred
           animal [syn: pedigree(a), pedigreed, pureblood, pureblooded]
     n 1: a well-bred person [ant: mixed-blood]
     2: a pedigreed animal of unmixed lineage; used especially of
        horses [syn: purebred, pureblood]