Oxford Dictionary English filly noun noun BrE BrE//ˈfɪli// ; NAmE NAmE//ˈfɪli// (pl. fillies) Farm animals, Equine sports Add to my wordlistjump to other results 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 filly in the Oxford Advanced American DictionaryCheck pronunciation: filly oxfordlearnersdictionaries.com
