OSSO BUCO Meaning of OSSO BUCO in English [ ˌɒsəʊ'bu:kəʊ ](also osso bucco ) ■ noun an Italian dish made of shin of veal containing marrowbone, stewed in wine with vegetables.OriginItal., lit. 'marrowbone'. Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004