Martinique Syllabification: (Mar·ti·nique)Pronunciation: /ˌmärtnˈēk/Definition of Martinique a French island in the Caribbean Sea, in the Lesser Antilles group; population 399,000 (est. 2007); capital, Fort-de-France. Derivatives MartiniquanPronunciation: /-ˈēkən/ noun & adjective Martinique in other Oxford dictionaries Definition of Martinique in the British & World English dictionary