muscat Syllabification: (mus·cat)Pronunciation: /ˈməsˌkat, -kət/Definition of muscat noun [often as modifier] a variety of white, red, or black grape with a musky scent, grown in warm climates for wine or raisins or as table grapes. a wine made from a muscat grape, especially a sweet or fortified white wine. Origin:French, from Provençal, from musc 'musk'muscat in other Oxford dictionaries Definition of muscat in the British & World English dictionary