Glossary of Equine Terms – X, Y, and Z By Jayne D. Wilson
- Xenophon: General in the Greek army (c. 430-356 BC) renowned for his work "On the Art of Horsemanship" which described a progressive system of training horses and which became the basis for classical riding as we know it today
- Yearling: Colt or filly between one and two years of age.
- Zebra: Member of the family equus characterized by its striped coat pattern.
- Zony: Hybrid cross between a zebra and a pony.
- Zorse: Hybrid cross between a zebra and a horse.
- Equine Terms found at: http://www.equisearch.com/resources/glossary/