1. Music:
* A group of three musicians performing together. This is the most common meaning.
* A piece of music written for three instruments or voices.
2. General:
* A group of three people or things.
* Something composed of three parts or elements.
Examples:
* "The piano trio played a beautiful piece of classical music." (Music)
* "The chef created a delicious trio of appetizers." (General)
* "The company released a trio of new smartphones." (General)
Let me know if you'd like to explore a specific meaning of "trio" in more detail!