
Horse breeders divide ungelded (unbroken) male horses into two main categories: stallions (aighyr) and bachelor/gelded horses (sayag).

Stallion names are divided into several specific categories based on age, temperament, physical traits, and role in the herd:

This category includes gelded horses, young bachelor males, and horses defined by their nursing history or physical conformation:
Special terms describing a horse's interaction with humans, work history, or the specific castration method used:
