Definition of filly in English:

filly

Line breaks: filly
Pronunciation: /ˈfɪli
 
/

noun (plural fillies)

1A young female horse, especially one less than four years old.
More example sentences
  • Four fillies and five colts all breezed one furlong in 10.20 seconds.
  • In the latest incident, the filly was one of four purchased last year and left in Ireland to be broken.
  • We're got five two-year-old fillies in training with my brother, Elliott, and we've got four three- and four-year-old fillies also.
1.1 humorous A lively girl or young woman.

Origin

late Middle English: from Old Norse fylja, of Germanic origin; related to foal.

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