Bullet
A bullet, or bullet workout, is a workout that was clocked as the best time for a certain distance on a given day.
Minus Pool
A pari-mutuel pool – typically a show pool - where one horse is so heavily bet that after deductions there is not enough money left to cover the prescribed minimum on each bet.
Bolt
A sudden veering to the inside or outside rail, often caused by the horse spooking or shying from something.

