Vulpecula Syllabification: (Vul·pec·u·la)Pronunciation: /ˌvəlˈpekyələ/ AstronomyDefinition of Vulpecula an inconspicuous northern constellation (the Fox), lying in the Milky Way between Cygnus and Aquila. (as genitive Vulpeculae /ˌvəlˈpekyəlē/) used with a preceding letter or numeral to designate a star in this constellation:the star Alpha VulpeculaeOrigin:Latin, diminutive of vulpes 'fox'Vulpecula in other Oxford dictionaries Definition of Vulpecula in the British & World English dictionary