COUCHETTE Meaning of COUCHETTE in English [ ku:'ʃɛt ]■ noun a railway carriage with seats that are convertible into sleeping berths. ↘a berth in such a carriage.OriginFr., dimin. of couche 'a couch'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004