ortanique Syllabification: (ort·a·nique)Pronunciation: /ˌôrtəˈnēk/Definition of ortanique noun a citrus fruit that is a cross between an orange and a tangerine, developed in Jamaica in the 1920s. Citrus sinensis × reticulata, family Rutaceae Origin:blend of orange, tangerine, and uniqueortanique in other Oxford dictionaries Definition of ortanique in the British & World English dictionary