Definition of clerestory in English:

clerestory

Syllabification: clere·sto·ry
Pronunciation: /ˈkli(ə)rˌstôrē
 
/
(also clearstory)

noun (plural clerestories)

  • 1The upper part of the nave, choir, and transepts of a large church, containing a series of windows. It is clear of the roofs of the aisles and admits light to the central parts of the building.
    More example sentences
    • Highlights of these volumes are the windows of the choir clerestory, and the tracery lights of various chapels and of the chapter house.
    • Just one of his guiding principles, that nothing should be built higher than the clerestory of the Minster, has insured that it remains a resolutely low-rise city.
    • Light pours down at the ceremonial end from an unseen clerestory set into the roof where it steps up to offer nobility.
  • 1.1The windows in the clerestory of a church or similar windows in another building.
    More example sentences
    • The roundhouse was red sandstone brick with graceful arches over most of the ten stalls and a corrugated metal roof adorned with a ventilated clerestory.
    • To solve this problem, the architects raised the central portion of the roof to create clerestories that can illuminate any classroom configuration.
    • A great deal of time is spent studying the sun's seasonal angles, capturing or controlling it with clerestories and tilted roof planes.
  • 1.2A raised section of roof running down the center of a railroad car, with small windows or ventilators.
    More example sentences
    • If you decide to glue the roof in place now, install the correct clerestory vent sides, depending on whether your car had air conditioning or not in the period you're modeling.
    • The four-wheel clerestory roof planked side Sachsen coach will be in original red livery.
    • Externally the cars have clerestory roofs.

Origin

late Middle English: from clear + story2.

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody