1. groups of three people or things
2. musical compositions written for three performers
Usage: music
3. groups of three musicians performing together
Usage: music

Examples

• The jazz festival featured several piano trios.
• Mozart wrote beautiful string trios for violin, viola, and cello.
• The children worked in trios for the science project.
• Three famous trios performed at the concert hall.
• The restaurant serves appetizer trios with different flavors.
• Chamber music trios are popular in classical music.