duo.
1. m. Mús. Composition for two performers, instrumental or vocal.
2. m. set of two people who run or sing in Duet.
3. m. set of two persons that perform a common task. The duo protagonist of the play.
4. m. Par. colleague (? friend).
1. loc. Advisor. Said sing or perform a musical composition: two people to cooperate at the same time.
