/ ˈkɒnsət; NAmE ˈkɑːnsərt/ noun
a public performance of music :
a concert of music by Bach
a classical / rock / pop concert
They're in concert at Wembley Arena.
a concert hall / pianist
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IDIOMS
- in concert with sb/sth
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WORD ORIGIN
late 16th cent. (in the sense unite ): from French concerter , from Italian concertare harmonize. The noun use, dating from the early 17th cent. (in the sense a combination of voices or sounds ), is from French concert , from Italian concerto , from concertare .