Two quarter horses.
any of a breed of light, muscular horse of a solid, usually dark color: because of its quick reactions it is much used in Western range work and in rodeos
Origin of quarter horseafter its great sprinting speed at a quarter of a mile
A horse of a strong, agile breed developed in the western United States to work with cattle, usually having a solid-colored coat.
Origin of quarter horseFrom its formerly being trained for races up to a quarter mile.