Lynx Syllabification: (Lynx)Pronunciation: /liNGks/ AstronomyDefinition of Lynx an inconspicuous northern constellation (the Lynx), between Ursa Major and Gemini. (as genitive Lyncis /ˈlinsis/) used with a preceding letter or numeral to designate a star in this constellation:the star Alpha LyncisOrigin:via Latin from Greek lunxLynx in other Oxford dictionaries Definition of Lynx in the British & World English dictionary