definitor
noun
def·i·ni·tor
ˈdefəˌnītə(r)
plural -s
1
: an official charged under canon law with the supervision of ecclesiastical property in one of the districts into which a deanery is divided and with aiding the dean
2
a
: a member of the general chapter in some religious orders
b
: a member of the governing council of some religious orders chosen to aid the superior in the government of the order
Word History
Etymology
Medieval Latin, from Late Latin, teacher, from Latin definitus (past participle of definire to determine, bring to an end, explain) + -or