clerestory

clere·sto·ry also clear·sto·ry  (klîrstôr, -str) n. pl. clere·sto·ries 1. The upper part of the nave, transepts, and choir of a church, containing windows. 2. An upper portion of a wall containing windows for supplying natural light to a building. [Middle English clerestorie : perhaps cler, giving light, clear; see clear + storie, tier; see story2.]

clerestory High Gothic style cathedral nave wall A. clerestory B. triforium C. arcade

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clerestory [clear-store-ee]

Noun

pl -ries a row of windows in the upper part of the wall of the nave of a church above the roof of the aisle [clear + storey]

clerestoried adj

Thesaurus

Noun

1.

clerestory - part of an interior wall rising above the adjacent roof with windows admitting light clearstory window - a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air