Aerian
noun
Aer·i·an
ā-ˈir-ē-ən
plural -s
: one of a 4th century a.d. Arian sect that believed in the equality of bishops and priests and repudiated prayers for the dead and compulsory fasts
Word History
Etymology
Aerius of Pontus, 4th century a.d. presbyter in Asia Minor + English -an
First Known Use
1555, in the meaning defined above