cache-sexeEnglishOxford Dictionary of Englishcache-sexe /ˈkaʃsɛks / ▸ noun (plural cache-sexes /ˈkaʃsɛks /) a covering for the genitals, typically worn by erotic dancers or some tribal peoples. – ORIGIN 1920s: from French, from cacher ‘to hide’ and sexe ‘genitals’.