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Cymatium (from Greek κυμάτιον "small wave"), the uppermost molding at the top of the
cornice In architecture, a cornice (from the Italian ''cornice'' meaning "ledge") is generally any horizontal decorative Moulding (decorative), moulding that crowns a building or furniture element—for example, the cornice over a door or window, ar ...
in the
classical order An order in architecture is a certain assemblage of parts subject to uniform established proportions, regulated by the office that each part has to perform. Coming down to the present from Ancient Greece, Ancient Greek and Ancient Roman civiliz ...
, is made of the s-shaped cyma molding (either ''cyma recta'' or ''cyma reversa''), combining a concave
cavetto A cavetto is a concave moulding with a regular curved profile that is part of a circle, widely used in architecture as well as furniture, picture frames, metalwork and other decorative arts. In describing vessels and similar shapes in pottery, ...
with a convex
ovolo Ovolo is an Italian language, Italian word that means "little egg". The ovolo or echinus is a convex molding (decorative), decorative molding profile used in Ornament (architecture), architectural ornamentation. Its profile is a quarter to a half ...
. It is characteristic of
Ionic columns The Ionic order is one of the three canonic orders of classical architecture, the other two being the Doric and the Corinthian. There are two lesser orders: the Tuscan (a plainer Doric), and the rich variant of Corinthian called the composite ...
and can appear as part of the
entablature An entablature (; nativization of Italian , from "in" and "table") is the superstructure of moldings and bands which lies horizontally above columns, resting on their capitals. Entablatures are major elements of classical architecture, and ...
, the epistyle or
architrave In classical architecture, an architrave (; , also called an epistyle; ) is the lintel or beam, typically made of wood or stone, that rests on the capitals of columns. The term can also apply to all sides, including the vertical members, ...
, which is the
lintel A lintel or lintol is a type of beam (a horizontal structural element) that spans openings such as portals, doors, windows and fireplaces. It can be a decorative architectural element, or a combined ornamented/structural item. In the case ...
or
beam Beam may refer to: Streams of particles or energy *Light beam, or beam of light, a directional projection of light energy **Laser beam *Radio beam *Particle beam, a stream of charged or neutral particles **Charged particle beam, a spatially lo ...
that rests on the
capital Capital and its variations may refer to: Common uses * Capital city, a municipality of primary status ** Capital region, a metropolitan region containing the capital ** List of national capitals * Capital letter, an upper-case letter Econom ...
s of
column A column or pillar in architecture and structural engineering is a structural element that transmits, through compression, the weight of the structure above to other structural elements below. In other words, a column is a compression member ...
s, and the capital itself. Often the cymatium is decorated with a
palmette The palmette is a motif in decorative art which, in its most characteristic expression, resembles the fan-shaped leaves of a palm tree. It has a far-reaching history, originating in ancient Egypt with a subsequent development through the art o ...
or
egg-and-dart Egg-and-dart, also known as egg-and-tongue, egg-and-anchor, or egg-and-star, is an Ornament (architecture), ornamental device adorning the fundamental quarter-round, convex ovolo profile of molding (decorative), moulding, consisting of alternating ...
ornament on the surface of the molding.
The heights of the parts of the capital are to be so regulated that three of the nine parts and a half, into which it was divided, lie below the level of the astragal on the top of the shaft. The remaining parts are for the cymatium, abacus, and channel. The projection of the cymatium beyond the abacus is not to be greater than the size of the diameter of the eye f the volute
In the case of a concave-convex profile, a distinction is made between cyma recta and cyma reversa, with the cyma reversa, the inverted and therefore hanging cyma, being the usual form. Originally, the individual types of cymatia were linked to the corresponding individual building codes and the associated ornament systems and in this way could be clearly distinguished from one another. In the Hellenistic and Roman periods, however, the types mixed, at the same time further refinement and embellishment with numerous details (acanthus, palmettes, medallions) took place.


See also

*
Molding (decorative) Moulding (British English), or molding (American English), also coving (in United Kingdom, Australia), is a strip of material with various profiles used to cover transitions between surfaces or for decoration. It is traditionally made from solid ...


References

Columns and entablature {{Architecturalelement-stub