peristilium; the place for walking, por-
tions. Among the ancients these were
highly ornamented, and of great extent.
The remains of the portico at Palmyra
shew it to have been full four thousand
feet long. There was a square portico
at Athens, whose circumference was
fourteen hundred feet, adorned with
Corinthian pillars, and a great variety
of excellent paintings, and therefore
Posticum, the porch in the back front of
an ancient temple.
Prceceton, an anti-room for attendants,
either to wait or to sleep.
Profile, the outline or contour of any
Prostyle, t, e. having pillars in front
only; according to Vitruvius, the second
order of temples.
Pronaos, the front porch of an ancient
Pseudo-dipteral, i. e. false or imperfect
dipteral, the inner range of columns
being omitted ; according to Vitruvius^
the fifth order of temples.
Pteroma, the Greek word for a wall.