quarter horse


noun

one of a breed of strong horses developed in the U.S. for short-distance races, usually a quarter of a mile.
a horse of this breed used in herding livestock.

Origin of quarter horse

An Americanism dating back to 1825–35

British Dictionary definitions for quarter horse

quarter horse

noun

a small powerful breed of horse, originally bred for sprinting in quarter-mile races in Virginia in the late 18th century