A speed horse running as an entry with another, usually a come-from-behind horse.  The rabbit is expected to set a fast pace to help the chances of its stablemate.

An official who drafts conditions of races and assigns weights for handicap events.

A term to describe a horse that refuses to settle under a jockey’s handling in a race, running in a headstrong manner without respect to pace.

Structure used by horses shipping in for a race who do not have a stall at the racetrack.

When a horse will not break from the gate.

A minimum price, set by the consignor, for a horse in a public auction

A term to describe a horse that finishes a race under mild urging; not as severe as driving.

A horse in which one or both testicles is undescended.

A term to describe the color of a horse whose coat is mostly a mixture of red and white or brown and white hairs.  The mane, tail, and legs may be black, chestnut, or roan, unless white markings are present.  Starting with foals of 1993, the color classifications roan and gray were combined as "roan or gray."  See "gray."

A whistling sound made by a horse during inhalation while exercising.

An ill-tempered horse.

Broadly, a race distance of longer than 1 1/8 miles.

Abrasions of the fetlocks.  The result of weak pasterns behind causing a horse to hit and scrape its fetlocks on the track during a race or workout.

Bandages on the hind legs, often with pads, to prevent run-downs.

A special type of bit to prevent a horse from bearing out (or in).