/koh aj"euh teuhr, koh'euh jooh"teuhr/ , n.
1. an assistant.
2. an assistant to a bishop or other ecclesiastic.
3. a bishop who assists another bishop, with the right of succession.
[ 1400-50; late ME co- CO- + adjutor helper ( adju- base of adjuvare to help (cf. ADJUTANT) + -tor -TOR) ]