America's Best Racing. The Jockey Club.

Uneven stirrups, popularized by Hall of Fame jockey Eddie Arcaro, who rode with his left (inside) iron lower than his right to achieve better balance on turns.

A bet on a horse to win, place and show. If the horse wins, the player collects three ways; if second, two ways; and if third, one way, losing the win and place bets. Actually three wagers.

1) A horse's manner of moving. 2) A term meaning wagering. For example, “The horse took a lot of action.”

Utilizing stimulation on acupuncture points to treat an animal.

A centuries-old means of treating an animal or human through the use of needles, electrical current or moxibustion (heat and herbs) to stimulate or realign the body's electrical fields.

Money added to the purse of a race by the racing association, breeding fund, or other fund. The money is in addition to the amount paid by owners in nomination, eligibility, entry and starting fees. For example, “the $1 million-added Kentucky Derby.”

A horse carrying more weight than the conditions of the race require, usually because the jockey exceeds the stated limit.

All Thoroughbreds celebrate their birthday on Jan. 1.

A person empowered to transact business for a stable owner or jockey, or empowered to sell or buy horses for an owner or breeder.

When a horse extends itself to its maximum ability.

A race for which the racing secretary drafts certain conditions to determine weights to be carried based on the horse's age, sex and/or past performance.

Reductions in weights to be carried, allowed because of the conditions of the race or because an apprentice jockey is on a horse. Also, a weight reduction that female horses are entitled to when racing against males, or that 3-year-olds receive against older horses.

A horse officially entered for a race, but not permitted to start unless the field is reduced by scratches below a specified number.

Rider who has not ridden a certain number of winners within a specified period of time. Also known as a "bug," from the asterisk used to denote the weight allowance such riders receive.

The (usually) paved area between the grandstand and the racing surface.