Proscenium, R. (προ-σκήνιον). The stage in a Greek or Roman theatre; it included the whole platform comprised between the orchestra and the wall of the stage; the term was also used sometimes to denote the wall of the stage itself.
Proscenium, Mod. The ornamental frame on which the curtain hangs.
Prostylos, Gr. (πρό-στυλος). A building or temple which has a porch supported by a row of columns.
Proteleia, Gr. (προ-τέλεια). Sacrifices which were offered to Diana, Juno, the Graces, and Venus prior to the celebration of a marriage.
Fig. 563. Entrance (Prothyrum) of a Roman house.
Prothyrum, Gr. (πρό-θυρον). With the Greeks, the vestibule in front of the door of a house, where there was generally an altar of Apollo, or a statue or laurel-tree; with the Romans, the prothyrum was the corridor or passage leading from the street to the atrium (Fig. [563]).
Prototype (πρῶτον, first; τύπον, mould). The model of a plastic design; hence figuratively, a type or forerunner.
Protractor. An instrument for laying down and measuring angles upon paper.
Protypum, Gr. and R. (πρό-τυπον). A model, first model or mould for making any object in clay, such as antefixæ.