A permanent, indelible mark on the inside of the upper lip used to identify the horse. In Quarter Horses the letter/number combination is five numbers or four numbers ending in a letter. In Thoroughbreds, it is a letter followed by five numbers.
A horse running or winning without being pressed by rider or opposition.
The topmost joint in the foreleg, formed by the humerus, ulna and radius. The elbow joint's action is that of a hinge, providing flexion and extension for the forelegs.
Qualified to start in a race, according to conditions.
Two or more horses with common ownership (or in some cases trained by the same trainer) that are paired as a single betting unit in one race and/or are placed together by the racing secretary as part of a mutuel field. Rules on entries vary from state to state. Also known as a "coupled entry."
A person who is licensed to exercise a horse during its morning training session.