From Longman Dictionary of Contemporary Englishcountertenorcoun‧ter‧ten‧or /ˌkaʊntəˈtenə $ ˈkaʊntərˌtenər/ noun [countable] APMa man who is trained to sing with a very high voice
Examples from the Corpus
countertenor• It was published in Select Songs as a countertenor solo, and it is invariably performed as one.• The contrasting forces, ranging between solo countertenor and lute and full orchestral complement, rivet the attention.• This is the countertenor the early music movement has been waiting for.Origin countertenor (1300-1400) French contreteneur, from early Italian contratenore “against the tenor” 