(1314–92), Russian monastic reformer and mystic; Russian name Svyatoi Sergi Radonezhsky. He re-established the monasticism that had been lost through the Tartar invasion and inspired the resistance that saved Russia from the Tartars in 1380. Feast day, September 25.
Definition of Sergius, St. in US English:
Sergius, St.
proper nounˈsərjēəs
(1314–92), Russian monastic reformer and mystic; Russian name Svyatoi Sergi Radonezhsky. He re-established the monasticism that had been lost through the Tartar invasion and inspired the resistance that saved Russia from the Tartars in 1380. Feast day, September 25.