n. In Gr. and Rom. antiq., a girdle of any kind, whether worn by men or by women; particularly, the Greek girdle for confining the tunic, and specifically the girdle or zone of Venus, which was said to be decorated with everything that could awaken love.n. In zoology: A ctenophoran; one of the Cestidæ. Same as Cestum.n. Among the Greeks and Romans, a kind of boxing-glove or gauntlet, consisting of stout leather thongs or straps, often loaded with lead or iron, fastened on the hands and arms of boxers (called cestuarii) to render their blows more effective.