Montparnasse Syllabification: (Mont·par·nasse)Pronunciation: /ˌmôNpärˈnäs/Definition of Montparnasse a district of Paris, on the left bank of the Seine River. Frequented in the late 19th century by writers and artists, it is traditionally associated with Parisian cultural life. Montparnasse in other Oxford dictionaries Definition of Montparnasse in the British & World English dictionary