Equestrian

Webster's Practical Dictionary- A Practical Dictionary of the Englih Language · 1884 · p. 142

e-kwes'trT-an, a. Pert, to horses, their management, and the art of riding; riding on horseback; performed bv one on horseback. — n. horseman; rider. — E'quine, -kwin, Equi'nal, Pert, to, or like, a horse.