Operatic voice (5)
I believe the answer is:
tenor
'operatic voice' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for tenor that I've seen before include "intent" , "General course - male singer" , "Male voice of high pitch, like Luciano" , "Male singer with high-pitched voice" , "General meaning of a male voice" .)