Merriam-Webster Collegiate Dictionary - cestus

 I. noun  (plural cesti)  Etymology: Latin, girdle, belt, from Greek kestos, from kestos stitched, from kentein to prick — more at center  Date: 1557 a woman's belt; especially a symbolic one worn by a bride  II. noun  Etymology: Latin ~, caestus  Date: circa 1720 a hand covering of leather bands often loaded with lead or iron and used by boxers in ancient Rome