Blinkers

A hood worn on a horse’s head to limit side vision, which can improve concentration. Blinkers are added or removed to relax a horse or give it more focus.

Bute

Shortened word for phenylbutazone, the common non-steroidal medication legal at most racetrack.

Bullet

A bullet, or bullet workout, is a workout that was clocked as the best time for a certain distance on a given day.