Definition from Wiktionary, the free dictionary
heldentenor (plural heldentenors)
- A singer with a deep, strong voice that spans the range between baritone and tenor
1988 October 21, George Grass, “WagnerVision”, Chicago Reader:
- The absence of the Lyric's usual work-horse heldentenor William Johns (who, according to Lyric, dropped out of the show--quite uncharacteristically--due to illness) was sadly evident here.