| The Jockey Club |
 | An organization dedicated to the improvement of Thoroughbred breeding and racing. Incorporated Feb. 10, 1894 in New York City, The Jockey Club serves as North America's Thoroughbred registry, responsible for the maintenance of "The American Stud Book," a register of all Thoroughbreds foaled in the United States, Puerto Rico and Canada; and of all Thoroughbreds imported into those countries from jurisdictions that have a registry recognized by The Jockey Club and the International Stud Book Committee. |
| tight |
 | Ready to race. |
| tightener |
 | 1) A race used to give a horse a level of fitness that cannot be obtained through morning exercises alone. 2) A leg brace. |
| timber topper |
 | Jumper or steeplechase horse. More properly horses jumping over timber fences. |
| toe crack |
 | A crack near the front of the hoof. |
| toe-in |
 | A conformation flaw in which the front of the foot faces in and looks pigeon-toed, often causing the leg to swing outward during locomotion ("paddling"). |
| toe-out |
 | A conformation flaw in which the front of the foot faces out, often causing the leg to swing inward during locomotion ("winging"). |
| tongue tie |
 | Strip of cloth-type material used to stabilize a horse's tongue to prevent it from "choking down" in a race or workout or to keep the tongue from sliding up over the bit, rendering the horse uncontrollable. Also known as a "tongue strap." |
| top line |
 | 1) A Thoroughbred's breeding on its sire's side. 2) The visual line presented by the horse's back. |
| top weight |
 | See high weight. |
| torsion |
 | A twist in the intestine. |
| totalizator |
 | An automated parimutuel system that dispenses and records betting tickets, calculates and displays odds and payoffs and provides the mechanism for cashing winning tickets. Often shortened to "tote." |
| tote board |
 | The (usually) electronic totalizator display in the infield which reflects up-to-the-minute odds. It may also show the amounts wagered in each mutuel pool as well as information such as jockey and equipment changes, etc. Also known as the "board." |
| tout |
 | Person who professes to have, and sells, advance information on a race. Also used as a verb meaning to sell or advertise. For example, "He's touting the four horse." |
| toxemia |
 | A poisoning sometimes due the absorption of bacterial products (endotoxins) formed at a local source of infection. |
| track bias |
 | A racing surface that favors a particular running style or position. For example, a track bias can favor either front-runners or closers or horses running on the inside or outside. |
| track condition |
 | Condition of the racetrack surface. See fast; good; muddy; sloppy; frozen; hard; firm; soft; yielding; heavy. |
| trail off |
 | Used to describe a fit horse losing its competitive edge. |
| trapped epiglottis |
 | See entrapped epiglottis. |
| trial |
 | In Thoroughbred racing, a preparatory race created in tandem with a subsequent, more important stakes race to be run a few days or weeks hence The Derby Trial. |
| trifecta |
 | A wager picking the first three finishers in exact order. Called a "triactor" in Canada and a "triple" in some parts of the U.S. |
| trifecta box |
 | A trifecta wager in which all possible combinations using a given number of horses are bet upon. The total number of combinations can be calculated according to the formula x3-3x2+2x, where x equals the amount of horses in the box. The sum of the formula is then multiplied by the amount wagered on each combination. |
| trip |
 | An individual horse's race, with specific reference to the difficulty (or lack of difficulty) the horse had during competition, e.g., whether the horse was repeatedly blocked or had an unobstructed run. |
| triple |
 | See trifecta. |
| Triple Crown |
 | Used generically to denote a series of three important races, but is always capitalized when referring to historical races for three-year-olds. In the United States, the Kentucky Derby, Preakness Stakes and Belmont Stakes. In England the 2,000 Guineas, Epsom Derby and St. Leger Stakes. In Canada, the Queen's Plate, Prince of Wales Stakes and Breeders' Stakes. |
| tubing |
 | Inserting a nasogastric tube through a horse's nostril into its stomach for the purpose of providing oral medication. |
| turn down(s) |
 | Rear shoe that is turned down 3/4-inch to one inch at the ends to provide better traction on an off-track. Illegal in many jurisdictions. |
| twitch |
 | A restraining device usually consisting of a stick with a loop of rope or chain at one end, which is placed around a horse's upper lip and twisted, releasing endorphins that relax a horse and curb its fractiousness while it is being handled. |
| tying up (acute rhabdomyolysis) |
 | A form of muscle cramps that ranges in severity from mild stiffness to a life-threatening disease. A generalized condition of muscle fiber breakdown usually associated with exercise. The cause of the muscle fiber breakdown is uncertain. Signs include sweating, reluctance to move, stiffness and general distress. See "Muscular Injuries" subsection of "Musculoskeletal System" in veterinary supplement for a more detailed explanation. |