Meaning of clerestory

clere•sto•ry

Pronunciation: (klēr'stôr"ē, -stōr"ē), [key]
— pl. -ries.
  1. 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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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