Saint. ?827–869 ad, Greek Christian theologian, missionary to the Moravians and inventor of the Cyrillic alphabet; he and his brother Saint Methodius were called the Apostles of the Slavs. Feast day: Feb 14 or May 11
Cyril in American English1
(ˈsɪrəl)
noun
a masculine name
Word origin
LL Cyrillus < Gr Kyrillos, lit., lordly < kyrios, a lord: see church
Cyril in American English2
(ˈsɪrəl)
1.
Saint( a.d. 376?-444); Christian theologian: archbishop of Alexandria (412-444): his day is June 27
2.
Saint(born Constantine) ( a.d. 827?-869); Gr. prelate & missionary; apostle to the Slavs: his day is Feb. 14