concert
1. con.cert \k*n-'s*rt\ vb [MF concerter, fr. OIt concertare, fr. LL, fr.
L, to contend, fr. (Xcom- + certare to strive, fr. certus decided,
determined 1a: to plan together 1b: to settle by agreement 2: DEVISE,
ARRANGE : to act in harmony or conjunction
2. con.cert \'ka:n(t)-s*rt, 'ka:n-.s*rt\ n [F, fr. It concerto, fr.
concertare] 1a: agreement in design or plan 1b: a concerted action 2:
musical harmony : CONCORD 3a: a musical performance of some length by
several voices or instruments o r both 3b: RECITAL