The second highest adult singing voice, typically a female voice with a range between soprano and tenor. noun
The choir director assigned her to sing the alto part in the choir.
Her rich alto voice resonated beautifully throughout the concert hall.
A musical part written for a voice or instrument in the alto range. noun
The composer wrote a challenging alto part for the symphony.
He played the alto saxophone solo with great skill.
A person who sings in the alto range. noun
The altos in the choir blended their voices harmoniously.
She was known as the best alto in the vocal ensemble.