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trio

/ˈtɹi.əʊ/ · tri·o
noun
  1. A group of three people or things. The trio of friends decided to go on a road trip together.
  2. A group of three musicians. The jazz trio performed a sold-out show at the local club.
  3. A piece of music written for three musicians. The piano trio was a beautiful and intricate composition.
Did you know? The term 'trio' is commonly used in music to describe a group of three musicians, but it can also be used to describe a group of three people in other contexts, such as a trio of friends or a trio of siblings.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 18, 2026