Destrier (from which the Modern English spelling derives). The word is also found in medieval Provençal (as "destrier") and Italian (as "destriere", "destriero"). These forms themselves derived from the Vulgar Latin "equus dextarius", meaning "right-sided horse" (from "dextra", "right hand", the same root as "dexterous" and "dexterity"). This may refer to it being led by the squire at the knight's right side (or led by the right hand) or to the horse's gait, (possibly leading with the right). The word "destrier" does not refer to a breed, but to a "type" of horse: the finest and strongest warhorse. These horses were
Horses in the Middle Ages light, fast and strong. They were valuable, but not as costly as the destrier. They were also used frequently for hunting. A more general-purpose horse was the rouncey (also "rounsey"), which could be kept as a riding horse or trained for war. It was commonly used by squires, men-at-arms or poorer knights. A wealthy knight would keep rounceys for his retinue. Sometimes the expected nature of warfare dictated the choice of horse; when a summons to war was sent out in England, in 1327, it expressly requested rounceys, for swift pursuit, rather than destriers. Rounceys were sometimes used as pack