kepiEnglishOxford New American Dictionarykepi /ˈkāpē, , ˈkeɪpi , ˈkepē, ˈkɛpi / ▸ noun (plural kepis) a French military cap with a flat top and horizontal brim. – ORIGIN mid 19th century : from French képi, from Swiss German Käppi, diminutive of Kappe ‘cap’.