Filly
A filly is a female thoroughbred under five years old.
At five she becomes a 'mare.' Fillies often run in fillies-only conditions and stakes, and a stakes-quality filly carries lasting value as a future broodmare — her foals can inherit her class.
Examples
- arrow_rightShe was the fastest filly at the under-tack show.
- arrow_rightHe pointed the filly to a fillies-only allowance instead of open company.