SaddleA Thoroughbred racing saddle is the lightest saddle used, weighing less than two pounds.
Saddle ClothA cotton cloth which goes under the saddle to absorb sweat. It usually has the horse's program number and sometimes, in major races, its name.
Saddle PadA piece of felt, sheepskin, or more usually, foam rubber, used as a base for the saddle.
Scale of WeightsFixed weights to be carried by horses according to their age, sex, race distance and time of year.
SchoolingProcess of familiarizing a horse with the starting gate and teaching it racing practices. A horse may also be schooled in the paddock.
ScratchTo be taken out of a race before it starts. Trainers usually scratch horses due to adverse track conditions or a horse's adverse health. A veterinarian can scratch a horse at any time.
Second CallA secondary mount of a jockey in a race in the event his primary mount is scratched.
Set Down1) A suspension - The jockey was set down five days for careless riding. 2) When a jockey assumes a lower crouch in the saddle while urging the horse to pick up speed, the horse was set down for the drive to the wire.
Shadow RollA (usually sheepskin) roll that is secured over the bridge of a horse's nose to keep it from seeing shadows on the track and shying away from or jumping them.
ShankRope or strap attached to a halter or bridle by which a horse is led.