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
Destrier Royal Armouries indicates the equipment was originally worn by horses of , about the size and build of a modern field hunter or ordinary riding horse. It is probable that the modern Percheron draft breed may in part descend from destriers, though it is probably taller and heavier than the average destrier. Other draft breeds such as the Shire claim destrier ancestry, though proof is less certain. Equestrian statues in Italy suggest a "Spanish" style of horse that today would be referred to as a Baroque horse, such as the Andalusian horse, Friesian horse, or even a heavy but agile