Definition of "peristylium" [peristylium]

• An unroofed space inclosed, or nearly inclosed, by a peristyle. (noun)

The Century Dictionary (Public Domain)

• "At the back of the peristylium was the oecus, or state apartment, where Caius received distinguished guests, and where, in the lifetime of Julia, entertainments were given to the ladies of the colony."
• "The presence of a heart-shaped corner pillar at this location made it possible this had once been the position of a Hellenistic stoa-complex or peristylium."
• "Armed with all these necessaries, he made his way back to the lararium without again crossing the peristylium where the soldiers were assembled."