Definition of: concert

(kon′sûrt) noun
1. A musical performance by a number of voices or instruments, or both; also, the combination of voices or instruments to produce harmony.
2. Harmony; agreement; accordance; unity.
—adjective Of or for concerts.
—v. (kən·sûrt′) v.t.
1. To arrange or contrive by mutual agreement.
2. To plan; contrive.
—v.i.
3. To act or plan together. [<MF <Ital. concerto <concertare agree, be in accord]