Noun: St. Athanasius
- (Roman Catholic Church) Greek patriarch of Alexandria who championed Christian orthodoxy against Arianism; a church father, saint, and Doctor of the Church (293-373)
- Athanasius of Alexandria, Athanasius, Saint Athanasius, Athanasius the Great
Type of: Church Father, Doctor, Doctor of the Church, Father, Father of the Church, saint, theologian, theologiser [Brit], theologist, theologizer