There were two rooms, one called the vestibulum, for the little boys, where also instruction was given in Christian manners.

Julia glanced at his face as he came through the door of the street wall into the vestibulum or courtyard where they were waiting.

Vestibulum ante ipsum primisque in faucibus aulæ Luctus et ultrices, posuere sedilia curæ.

In the vestibulum are remains of the mosaic floor and frescoed walls.