Basso

Part of speech: noun (n.)

1. The bass or lowest part; as, to sing basso.

2. One who sings the lowest part.

3. The double bass, or contrabasso. Basso continuo (. Etym: [It., bass continued.] (Mus.) A bass part written out continuously, while the other parts of the harmony are indicated by figures attached to the bass; continued bass.