Longman Dictionary of Contemporary English homepage

Date: 1700-1800
Language: French
Origin: Italian, from tri- (from Latin; TRI-)

trio

noun
     
tri‧o plural trios [countable]
1 a group of three people or things
trio of
He was met by a trio of smiling executives.
a classical guitar trio (=three musicians playing together)
2 a piece of music for three performers

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