Apostolium

From BiblePortal Wikipedia

Apostolium [1]

is a church.' dedicated in the name of one or more of the apostles. Thus Sozomen speaks of the basilica of St. Peter at Rome as the apostolium of Peter; and the same writer, speaking of the church which Rufinus built at the Oak (a suburb of Chalcedon) in honor of Sts. Peter and Paul, says that he called it apostolium from them.

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