trio

/ˈtrioʊ/
noun
  1. A group of three people or things.
    • The trio of friends went on a road trip together.
    • The chef prepared a trio of desserts for the special menu.
    • A trio of musicians played in the town square.
  2. A musical composition for three performers or three instruments.
    • The concert ended with a lively jazz trio.
    • She wrote a trio for violin, cello, and piano.
    • The piano trio performed a beautiful piece by Beethoven.
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