A gelding is a male horse that has been castrated so he can no longer breed and is usually calmer and easier to handle than a stallion.

What is a gelding?

In simple terms, a gelding is a castrated male horse, though the word can also be used for other equines like ponies, donkeys, or mules.

The surgery removes the testicles, which greatly reduces testosterone and typically makes the horse less aggressive and more manageable for everyday riding and work.

Why do people geld a horse?

Common reasons include:

  • Safer temperament for riders and handlers, especially beginners or children.
  • Easier to keep in groups, with fewer fights or dominance issues.
  • Preventing unwanted breeding and better control over bloodlines.
  • Making the horse more focused on training and performance instead of mating behavior.

A typical example: a young stallion that is pushy, easily distracted, and difficult in a herd is often gelded so he becomes a steadier, more reliable riding horse.

Quick facts at a glance

  • A gelding is always male.
  • An ungelded adult male horse is called a stallion.
  • The female equivalent term does not exist; females are mares whether bred or not.
  • The basic meaning is the same in dictionaries and horse-care guides: a castrated male horse.

TL;DR:
When you hear “gelding,” think “castrated male horse that’s usually calmer, safer, and not used for breeding.”

Information gathered from public forums or data available on the internet and portrayed here.