cache-sexeEnglishOxford New American Dictionarycache-sexe /ˈkaSHseks, ˈkæʃsɛks / ▸ noun (plural cache-sexes pronounced same) a covering for a person's genitals, typically worn by erotic dancers or tribal peoples. – ORIGIN 1920s : from French, from cacher ‘to hide’ and sexe ‘genitals’.