Oxford Dictionary English gelding noun noun BrE BrE//ˈɡeldɪŋ// ; NAmE NAmE//ˈɡeldɪŋ// Domesticated mammals Add to my wordlistjump to other results a horse that has been castrated compare stallion See related entries: Domesticated mammals Word Originlate Middle English: from Old Norse geldingr, from geldr ‘barren’.See gelding in the Oxford Advanced American DictionaryCheck pronunciation: gelding oxfordlearnersdictionaries.com