DictionaryduoAssociated pair
noun

duo

DOO-oh/ˈduːəʊ/

Two people performing or acting together.

The musical duo rests with a violin and cello beside them.

Two performers stand or sit together with violin and cello at rest, clearly a performing pair; plain clothing, two figures only, no stage backdrop or music pages.
Etymology

Latin duo means “two.” English first used the word for a song for two voices, then extended it to two people, especially an entertainment team.

In context

Indie America1:03
Nic and I started doing our own duo thing. And for a number of years Nic and I toured and I played harmonium, he was playing guitar.
The Harmonium Doctor, Illinois | INDIE AMERICA | PBS Digital Studios

More examples

  • The duo performs folk songs at local festivals.
  • These two detectives make an effective duo.
  • Three dance duos compete for the final prize.

Forms

duo · duos

Similar words

pair
Any two people grouped together, not necessarily acting together.
team
People working together, with no fixed limit of two.