countertenor
US /ˈkaʊn.t̬ɚˌten.ɚ/
UK /ˈkaʊn.t̬ɚˌten.ɚ/

1.
contratenor
a male singer who sings in the alto or soprano range using falsetto voice
:
•
The opera featured a brilliant countertenor in the lead role.
La ópera presentó un brillante contratenor en el papel principal.
•
His voice, a clear countertenor, filled the concert hall.
Su voz, un claro contratenor, llenó la sala de conciertos.