HeldentenorPronunciation: /ˈhɛld(ə)nˌtɛnɔː/Definition of Heldentenor noun a powerful tenor voice suitable for heroic roles in opera: [as modifier]:a bel canto Heldentenor role a singer with a Heldentenor voice: a promising young American HeldentenorOrigin: 1920s: German, literally 'hero tenor'Heldentenor in other Oxford dictionaries Definition of Heldentenor in the US English dictionary