J'OUVERT Meaning of J'OUVERT in English [ dʒu:'veɪ ]■ noun (in the Caribbean) the official start of carnival, at dawn on the Monday preceding Lent.OriginFr. Creole, from Fr. jour ouvert 'day opened'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004