Main Entry: ¹con·cert

Pronunciation: \ˈkän(t)-sərt, ˈkän-ˌsərt\

Function: noun

Etymology: French, from Italian concerto, from concertare

Date: 1571

1 : agreement in design or plan : union formed by mutual communication of opinion and views
2 obsolete : musical harmony : concord
3 : a public performance (as of music or dancing)

— concert adjective

— in concert : together <acting in concert with others>