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An onion dome is a dome whose shape resembles an onion. [ 1 ] Such domes are often larger in diameter than the tholobate (drum) upon which they sit, and their height usually exceeds their width. They taper smoothly upwards to a point. It is a typical feature of churches belonging to the Russian Orthodox church.
The English word "dome" ultimately derives from the ancient Greek and Latin domus ("house"), which, up through the Renaissance, labeled a revered house, such as a Domus Dei, or "House of God", regardless of the shape of its roof.
Monitor roof: A roof with a monitor; 'a raised structure running part or all of the way along the ridge of a double-pitched roof, with its own roof running parallel with the main roof.' Butterfly roof (V-roof, [8] London roof [9]): A V-shaped roof resembling an open book. A kink separates the roof into two parts running towards each other at an ...
The meaning of the dome has been extensively analyzed by architectural historians. According to Nicola Camerlenghi, it may not be possible to arrive at a single "fixed meaning and universal significance" for domes across all building types and locations throughout history, since the shape, function, and context for individual buildings were determined locally, even if inspired by distant ...
A purlin (or historically purline, purloyne, purling, perling) is a longitudinal, horizontal, structural member in a roof. In traditional timber framing there are three basic types of purlin: purlin plate, principal purlin, and common purlin. Purlins also appear in steel frame construction. Steel purlins may be painted or greased for protection ...
A quatrefoil (anciently caterfoil) [1] is a decorative element consisting of a symmetrical shape which forms the overall outline of four partially overlapping circles of the same diameter. It is found in art, architecture, heraldry and traditional Christian symbolism. [2]
Cupola. In architecture, a cupola (/ ˈk (j) uːpələ /) [1] is a relatively small, usually dome -like structure on top of a building [2] often crowning a larger roof or dome. [3][4] Cupolas often serve as a roof lantern to admit light and air or as a lookout. The word derives, via Italian, from lower Latin cupula (classical Latin cupella ...
A Dutch gable or Flemish gable is a gable whose sides have a shape made up of one or more curves and which has a pediment at the top. The gable may be an entirely decorative projection above a flat section of roof line, or may be the termination of a roof, like a normal gable (the picture of Montacute House, right, shows both types).