chastity belt
noun[C]
uk/ˈtʃæs.tə.ti ˌbelt/us/ˈtʃæs.tə.t̬i ˌbelt/adevicethat some women wereforcedtowearin the past topreventthem from havingsex. It had apartthat went between the woman'slegsand alockso that it could not beremoved.
(旧时强迫妇女戴在两腿间的)贞节带