D defs.my
Entry 1 sense Webster, 1913

Concerted

/kən-sẽrt'-əd/ · Con·cert·ed · IPA /kənsˈɜrtəd/
01 a. Mutually contrived or planned; agreed on; as, concerted schemes, signals.
  1. 1.
    Mutually contrived or planned; agreed on; as, concerted schemes, signals.
Phrases & compounds
Concerted piece — a composition in parts for several voices or instrument, as a trio, a quartet, etc.