noun
- a young female horse, typically under four years old
Examples
- The filly galloped across the meadow with her mother.
- They bought a beautiful bay filly at the horse auction.
- The trainer worked patiently with the young filly.
- This filly shows great promise as a racehorse.
- The mare gave birth to a healthy filly in spring.
- The filly will be old enough to ride next year.