destrier
noun
des·trier ˈde-strē-ər 
də-ˈstrir
də-ˈstrir archaic
: warhorse
also : a charger used especially in medieval tournaments
Word History
Etymology
Middle English, from Anglo-French destrer, destrier, from destre right hand, from Latin dextra, from feminine of dexter
First Known Use
14th century, in the meaning defined above