or clear·sto·ry

[kleer-stawr-ee, -stohr-ee]
noun, plural clere·sto·ries.
  1. Architecture. a portion of an interior rising above adjacent rooftops and having windows admitting daylight to the interior.
  2. a raised construction, as on the roof of a railroad car, having windows or slits for admitting light or air.

Origin of clerestory

1375–1425; late Middle English, equivalent to clere clear + story story2
Related formsclere·sto·ried, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for clerestory

Contemporary Examples of clerestory

Historical Examples of clerestory

British Dictionary definitions for clerestory



noun plural -ries
  1. a row of windows in the upper part of the wall of a church that divides the nave from the aisle, set above the aisle roof
  2. the part of the wall in which these windows are setCompare blindstorey
Derived Formsclerestoried or clearstoried, adjective

Word Origin for clerestory

C15: from clear + storey
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for clerestory

early 15c., probably from clere "clear," in a sense "light, lighted" (see clear (adj.)), and story (n.2), though this sense of that word is not otherwise found so early. Originally the upper part of the nave, transepts, and choir of a large church; so called because pierced with windows. Related: Clerestorial.

Online Etymology Dictionary, © 2010 Douglas Harper