noun pl. altos
- the range of the lowest female voice or the highest male voice; specif.,
- contralto
- countertenor
- a voice or singer with such a range
- an instrument with a similar range within its family, as an alto saxophone
- a part for such a voice or instrument
- in four-part harmony, the second highest part
Origin:
It < L altus, high: see altitude
adjective
of, for, or having the range of an alto