coq au vin Syllabification: (coq au vin)Pronunciation: /ˌkōk ō ˈvaN, ˌkäk/Definition of coq au vin noun a casserole of chicken pieces cooked in red wine. Origin: mid 20th century: French, literally 'cock in wine'coq au vin in other Oxford dictionaries Definition of coq au vin in the British & World English dictionary