Opisthod´omos (Gr. from ὄπισθε, behind, and δόμος, house). An enclosed chamber in a temple, entered from the epinaos, commonly employed to contain the treasure of the temple or of the state.
Palais´tra (Gr.; from παλαιστής, wrestler). A building or enclosure devoted to wrestling, boxing, and kindred gymnastic exercises; commonly, also, containing baths.
Perip´teros, adj. perip´teral (Gr.; from περί, around, and πτερόν, wing). A temple entirely surrounded by columns.
Per´istyle, noun and adj. (from Gr. περί, around, and στῦλος, column). A term applied to a secular building, or a court, which is entirely or for the greater part surrounded by a colonnade.
Pisé (Fr.; from piser, to build with stamped clay). A species of tenacious clayey earth, employed for walls and pavement by being rammed down.
Plinth (Lat. plinthus, from Gr. πλίνθος, tile). Any rectangular and projecting member of considerable size. A narrow and long plinth is a fillet.
Po´ros (Gr.). A light, coarse tufa-limestone almost exclusively employed during the earliest ages of Greek architecture.
Prona´os (Gr.; from πρό, before, and ναός). The open vestibule before the naos.
Propylæ´on, pl. propylæ´a (Gr.; from πρό, before, and πύλη, gate). The portal structure before the entrance to a Greek temenos.
Prosty´los, adj. pro´style (from Gr. πρό, before, and στῦλος, column). That variety of temple plan in which the projecting wall and pilasters of the temple in antis have been transformed to corner columns, thus altering the pronaos from a loggia to an open portico.