noun

stallion

STAL-yun/ˈstæliən/

An uncastrated adult male horse.

The adult stallion stands calmly, turned slightly to one side.

A mature stallion standing calmly in three-quarter side view, with accurate, unobscured male anatomy establishing that it is intact rather than a gelding.
Etymology

Old French estalon named an uncastrated male horse. The underlying image is probably a horse kept in a stable to serve mares, connecting the term specifically with its breeding role.

In context

Best Horse Rider2:48
studs left intact for a long period developed dangerous traits as learned behavior if you are not planning on breeding life as a stallion can be full of frustration due to the nature of the horse under human control
How Much Does It Cost To Geld A Horse?

More examples

  • The farm keeps two stallions for breeding.
  • She brushes the stallion's mane before their morning ride.
  • A stallion that has been castrated is called a gelding.

Forms

stallion · stallions

Similar words

stud
Specifically a male animal kept for breeding, not necessarily a horse.
horse
Broader term that does not specify sex or castration status.