abbot nullius
nounUS /ˈæ.bət.nʊˈli.əs/
Etymology Partly translated from New Latin abbas nullius, short for abbas nullius dioecesis (“abbot of no diocese”).
1
An abbot who is exempt from diocesan control, and acts with papal authority.
Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.