gelding
A neutered (castrated) male horse of any age.
get
Progeny of sire.
granddam
See second dam.
grandsire
The grandfather of a horse; father (“sire”) of the horse’s dam or sire.
gray
A horse color where the majority of the coat is a mixture of black and white hairs. The mane, tail and legs may be either black or gray unless white markings are present. Starting with foals of 1993, the color classifications gray and roan were combined as “roan or gray.”