Length: The unit of measurement for the distance between each horse at the finish of a race; the measurement of a horse from head to tail.
Nose: Smallest official distance a horse can win by.
Nursery: A handicap on the Flat for two-year-old horses.
Photo-finish: In a close race, where the placings cannot be determined easily, the result is determined by the judge.
Pulled up: A horse that drops out mid-race and does not finish.
Pushed out: When a horse is ridden vigorously, but without full effort by the jockey
Stayer: A horse that specialises in racing over long distances.
String: All the horses in a particular training stable.
Sure thing: A horse that is regarded as having little chance of losing.
Yearling: A horse from January 1 to December 31 of the year following its birth.