Not gelded; -- said of a horse.

A male animal that has not been castrated. Capable of breeding.

uncastrated adult male horse

(used of domestic animals) sexually competent; "an entire horse"

a stallion; a horse which has not been castrated

An ungelded horse. In Europe, where geldings are not permitted to enter certain races, the race conditions might read Entire colts and fillies.

Uncastrated male horse. (Also called Stallion)

Term for a thoroughbred horse aged five and above who hasn't been gelded. Also known as a horse.