filly/ˈfɪli/EtymologyFrom Old Norse fylja (whence Danish føl), related to foal. Cognate with Dutch veulen, German Fohlen.filly means A young female horse. Lexicurio rates it Distinctive — a strength score of 65 out of 100.filly is pronounced /ˈfɪli/.nounA young female horse.A young, attractive woman.“Hey, Homer, get a load of the gams on that filly!”