hel·den·te·nor also Hel·den·te·nor 
(hĕldən-tə-nôr′)
(hĕldən-tə-nôr′)n.
1. A tenor voice with a striking dramatic or brilliant quality that is well suited for heroic roles, such as those in Wagnerian opera.
2. A person with such a voice.
[German : Held, hero (from Middle High German helt, from Old High German helid) + Tenor, tenor (from Italian tenore; see TENOR).]