Oxford Dictionary English brood mare noun noun BrE BrE//ˈbruːd meə(r)// ; NAmE NAmE//ˈbruːd mer// Farm animals, Domesticated mammals Add to my wordlistjump to other results a female horse kept for breeding See related entries: Farm animals, Domesticated mammalsSee brood mare in the Oxford Advanced American DictionaryCheck pronunciation: brood mare oxfordlearnersdictionaries.com