Latin Pronunciation (Classical Latin) IPA(key): /kʷiːnˈkʷen.neːs/, [kʷiːŋˈkʷɛnːeːs̠] (modern Italianate Ecclesiastical) IPA(key): /kwinˈkwen.nes/, [kwiŋˈkwɛnːes] Adjective quīnquennēs nominative/accusative/vocative masculine/feminine plural of quīnquennisWikiwand - on Seamless Wikipedia browsing. On steroids.