concertativus

A New Latin Dictionary by Charlton T. Lewis Ph.D. and Charles Short, LL. D.

concertātīvus, a, um, adj. [concerto],

pertaining to controversy : concertativa accusatio ( = mutua accusatio), a recrimination, countercharge , Gr. ἀντικατηγορία, Auct. ap. Quint. 7, 2, 9.