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A cupboard, often with an architectural form,
placed in, on, or near the high altar in the sanctuary of
a church to hold the consecrated Host.
Small, usually squarish pieces of colored marble, glass, or
tile set in mortar used to create the pictorial components
in mosaics. In marble mosaics, varicolored marble tesserae
are used to convey pictorial images. In glass mosaic, varicolored
pieces of glass serve the same purpose. Gold leaf backing
on tessarae provide the gold background of early Christian
and Byzantine mosaics. Gold-backed tesserae are set into the
mortar at varying angles to enhance the play of light across
The downward and/or outward pressure exerted by an arch or
vault resulting from the weight of the structure and the effects
Secondary ribs in a complex net of vault ribs emanating from
a main springer and leading to the ridge rib.
Masonry openwork found in the upper parts of Gothic windows
used in conjunction with stained glass.
Transverse arms of a basilican church plan set at right angles
to the nave. The lateral spaces of the transept are referred
to as the north and south transepts or transept arms. The
area where the transept and nave intersect is called the crossing,
sometimes surmounted by a tower, and providing a monumental
space separating the nave and the choir.
rib or arch
Monumental stone arches (ribs) located at right angles to
the longitudinal axis of the nave in a basilican church, dividing
the space and the vaults into regular bays or compartments.
Framing device featuring three equal arcs or lobes, separated
Second stories in basilican churches above the nave arcade
with substantial gallery passages located above the nave aisles.
Distinct from "triforiums," which are arcaded registers or
levels of the wall in a basilican church interior located
between the arcade and clerestory corresponding to the space
between the side-aisle vault and the lean-to roof above that
Arcaded register or level of the wall in a basilican church
interior located between the arcade and clerestory that corresponds
to the space between the side-aisle vault and the lean-to
roof above that vault. The triforium may be blind (no passageway)
or may include a passageway set behind it. The triforium may
be glazed, e.g., the wall behind the triforium is pierced
Altarpieces composed of painted or carved panels arranged
in a tripartite design, often hinged so that the outer wings
fold over the central portion.
French term meaning deception of the eye, applied to images
depicted with such fidelity to visual reality that a viewer
may assume the object is real rather than painted.
The vertical column or pier supporting the lintel of a doorway.
A sculptural figure located on the upright pillar (trumeau)
located in the center of a large doorway or portal. The trumeau
supports the horizontal lintel spanning the top of the doorway.
A rigid framework of structural members (as beams, bars, or
rods) arranged in a triangle or combinations of triangles
designed to support a load, such as a roof, over a wide space.
A small tower, sometimes corbelled (extended) out from the
corner of a building.
(pl. tympana) The
triangular or segmental space enclosed by a within an arch
usually often embellished with sculptural decoration representing
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