stakes-placed
Finished second or third in a stakes race.
stall walker
Horse that moves about its stall constantly and frets rather than rests.
stallion
A male horse used for breeding.
stallion season
The right to breed one mare to a particular stallion during one breeding season.
stallion share
A lifetime breeding right to a stallion; one mare per season per share.
start
Any type of condition, unless specifically so stated, that includes only those performances in a purse race. Qualifying and matinee races are excluded.