DictionarytrioGroup of three
noun

trio

TREE-oh/ˈtriːəʊ/

A set of three related participants.

The trio of musicians performs together without other players.

Exactly three adult musicians perform together as a small trio, with no other people in the scene.
Etymology

Trio first named a musical composition for three solo parts. This musical grouping broadened into the general meaning of three people or things considered together.

In context

Web of Stories - Life Stories of Remarkable People1:34
Then we became a trio – Matti, Ya'akov Arnon and myself – and we functioned in harmony
Uri Avnery - Diplomacy scuppered by a joke (223/315)

More examples

  • The jazz trio plays here every Friday.
  • A trio of paintings hangs above the couch.
  • The students work in trios to solve the puzzle.

Forms

trio · trios

Similar words

threesome
Usually refers to three people doing an activity together.
triad
Often names three closely connected elements in a structured system.