Pentaspastos, Gr. (παντά-σπαστος). A kind of pulley, the block of which contains a system of five pulleys (orbiculi). This engine was employed to lift great weights.
Pentastyle, Arch. A portico of five columns.
Pentathlon, Gr. Greek games similar to the Quinquertium (q.v.) of the Romans, frequently represented on ancient vases.
Pentelic Marble from a mountain of that name near Athens, of which the Parthenon and other temples are built, has a beautiful warm yellowish tone, comparable to ivory. All the Athenian statues are of this marble.
Penteloris. (See Paragauda.)
Pent-roof, Arch. A roof sloping only from one side; hence a pent-house for a house or shed covered by such a roof.
Penula. (See Pænula.)
Penumbra (Lat. pene, almost, and umbra, shade). The part of a picture where the light and shade blend together.
Peperino, It. (pepe, pepper). A pepper-coloured building stone much used in the construction of ancient Rome, formerly called Lapis Albanus.
