Definition of Eusebius in US English:

Eusebius

proper noun

  • (c.AD 264–c.340), bishop and church historian; known as Eusebius of Caesaria. His Ecclesiastical History is the principal source for the history of Christianity (especially in the Eastern Church) from the age of the Apostles until 324.

Pronunciation

Eusebius

/yo͞oˈsēbēəs//juˈsibiəs/