jog
Slow, easy gait.
judge
An official licensed by the USTA to perform specific duties as outlined under Rule 6.
juvenile
Two-year-old horse.
key horse
A single horse used in multiple combinations in an exotic wager.
lame
A term used to describe a horse that is limping, has difficulty walking or is sore.
late double
A second daily double offered during the latter part of the program.