[co.ad.ju.tor] n [ME coadjutour, fr. MF coadjuteur, fr. LL coadjutor, fr. L co- + adjutor helper, fr. adjuvare to help--more at aid] (15c) 1: one who works together with another: assistant
2: a bishop assisting a diocesan bishop and often having the right of succession -- coadjutor adj