1. countertenor - Noun
2. countertenor - Adjective Satellite
the highest adult male singing voice
of or being the highest male voice; having a range above that of tenor
a male singer with a voice above that of a tenor
Source: WordNetThe first time I sang with David Daniels... I had never performed with a countertenor before. That first time was magic, it was so beautiful. And he's such a great artist. Cecilia Bartoli
Medley sang the low parts with his bass-baritone voice, with Hatfield taking the higher register vocals with his countertenor voice. Source: Internet
However, both of these are extremely rare (and, in fact, the countertenor clef is largely intended to be humorous as with the works of P.D.Q. Bach ). Source: Internet
It is also associated with the countertenor voice and therefore called the counter-tenor (or countertenor) clef, Moore 1876, 176; Dolmetsch Organisation 2011. Source: Internet