pureblood

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

     adj : having a list of ancestors as proof of being a purebred
           animal [syn: pedigree(a), pedigreed, pureblooded,
            thoroughbred]
     n : a pedigreed animal of unmixed lineage; used especially of
         horses [syn: thoroughbred, purebred]