a horse who has not won a race. Also applied to a non-winning rider.

a race for non-winners.

female horse 5 years old or older. Also, female of any age who has been bred.

a list kept by the track veterinarian and published by the track and Daily Racing Form.

broadly; From one mile to less than a mile and an eighth.

a mutual pool caused when one horse is so heavily wagered on, that after deductions of state tax and commission, there is not enough money left to pay the legally prescribed minimum on each winning bet.

a horse who performs well in morning workouts but fails to reproduce that form in races.

approximate odds quoted before wagering determines exact odds.

deep condition of racetrack after being soaked with water.

horse who races well on muddy tracks.