When you are a soprano and alto singer at the same time. You can sing high and low in a girl's range of voice.
Anne is a sopralto, she can sing low and high.
by John DeMina September 14, 2009
A female singer with broad singing range - soprano to alto.
Evelyn is a sopralto and can sing about any musical number written for a female part.
by Ben Frey April 17, 2006