1. A Greek who was a Christian theologian active in Alexandria and who was declared a heretic for his doctrines about God (which came to be known as Arianism) (256?-336)
    
2. Type genus of the Ariidae: sea catfishes
   - genus Arius

Type of: fish genus, theologian, theologiser [Brit], theologist, theologizer

Part of: Ariidae, family Ariidae

Encyclopedia: Arius