the world > animals > mammals > group Ungulata (hoofed) > family Equidae (general equines) > horse defined by purpose used for > [noun] > for riding > used by bareback rider or acrobat (2)
A person who rides horses without a saddle, esp. as a circus or rodeo performer. Also: a horse ridden or trained to be ridden bareback.
a horse used by a bareback rider or acrobat (see quot. 1945); (also) the rider of such a horse.