(architecture) a masonry construction (usually curved) for spanning an opening and supporting the weight above it
a structure composed of a series of arches supported by columns
the topmost voussoir and the center of an arch, and the last block to be placed. The pressure of this block holds the arch together.
an elongated or continuous semicircular vault, shaped like a half cylinder
A vault created by the intersection of two barrel vaults of equal size which creates four side compartments of identical size and shape.
round arch rotated around the full circumference of a circle; usually rested on a concrete cylindrical drum
Opening in the center of a dome for light and to lighten the dome
a recessed decorative panel that is used to reduce the weight of and to decorate ceilings or vaults.
a column attached to a wall
an engaged columnar element that is rectangular in format and used for decoration in architecture.
temple with columns engaged in cella wall rather than forming a peristyle
a building material developed by the Romans, made primarily from lime, sand, cement, and rubble mixed with water. Concrete is easily poured or molded when wet and hardens into a particularly strong and durable stonelike substance.
a peristyle court is an open colonnaded courtyard, often having a pool and garden.
an unroofed interior courtyard in a Roman house, sometimes having a pool. Also: the open courtyard in front of a Christian church, or an entrance area in modern architecture.
a Roman bedroom flanking an atrium; in early christian art, a mortuary chapel in a catacomb
In Roman architecture, a freestanding arch commemorating an important event, such as a military victory or the opening of a new road.
an oval large stadium with tiers of seats
a Roman town center; site of temples and administrative buildings and used as a market or gathering area for the citizens
In Roman architecture, a civic building for legal and other civic proceedings, rectangular in plan with an entrance usually on a long side.
Nero's Domus Aurea
house of gold, used as "blueprint" for the Pantheon
an over life-size statue of Nero