AU - Marble Bar

Exercise Rider

A rider built much like a jockey but is employed for exercising and working out horses in the morning.

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.

Breeder

The owner of a horse’s dam – or mother - at the time a horse is foaled.