[con.cert] n [F, fr. It concerto, fr. concertare] (1674) 1 obs: musical harmony: concord
2. a: agreement in design or plan: union formed by mutual communication of opinion and views b: a concerted action "the sacrifice was hailed with a ~ of praise"
3: a public performance (as of music or dancing) -- concert adj -- in concert : together
[2]con.cert vb [MF concerter, fr. OIt concertare, perh. fr. com- + certo certain, decided, fr. L certus--more at certain] vt (1694) 1: to settle or adjust by conferring and reaching an agreement "~ed their differences"
2: to make a plan for "~ measures for aiding the poor" ~ vi: to act in harmony or conjunction