horsy — of, relating to, or characteristic of a horse.
noun equine
horse — a large, solid-hoofed, herbivorous quadruped, Equus caballus, domesticated since prehistoric times, bred in a number of varieties, and used for carrying or pulling loads, for riding, and for racing.
roan — (chiefly of horses) of the color sorrel, chestnut, or bay, sprinkled with gray or white.