1. an official record of the pedigree of purebred animals, especially horses

Examples

• The Arabian horse’s lineage was carefully documented in the studbook.
• Only animals registered in the studbook can compete in certain shows.
• The kennel club maintains a studbook for all registered breeds.
• Her thoroughbred’s name appeared in the official studbook.
• Breeders consult the studbook to verify bloodlines before mating.
• The studbook contains detailed records dating back over a century.