messa di voce
noun
mes·sa di vo·ce
ˌmāsədēˈvō(ˌ)chā,
ˌmes-
plural messe di voce
-(ˌ)sād-
: the singing of a gradual crescendo and decrescendo on a long sustained tone —used of a vocal technique originating in 18th century bel canto
Word History
Etymology
Italian, literally, placing of the voice