Definition of filly noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˈfɪli//
; NAmE NAmE//ˈfɪli//
(pl. fillies) Farm animals, Equine sports
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a young female horse compare colt, mare See related entries: Farm animals, Equine sports Word Originlate Middle English: from Old Norse fylja, of Germanic origin; related to foal.
See the Oxford Advanced American Dictionary entry: filly