Scriptorium n. (pl. scriptoria) In an abbey or monastery, the room set apart for writing or copying manuscripts; in general, a room devoted to writing. "Writing rooms, or scriptoria, where the chief works of Latin literature... were copied and illuminated."
... an old mediaeval story of a tumbler who, converted and become a monk, found himself inapt at the offices of Choir and Scriptorium so he went before a statue of Our Lady and there played all his tricks. Quite exhausted at last he looked up at the statue and said, "Lady, this is a choice performance." There is more than a touch of Our Lady's tumbler in Gilbert. He knew ... — Gilbert Keith Chesterton • Maisie Ward