clerestory: Meaning and Definition of
clere•sto•ry
Pronunciation: (klēr'stôr"ē, -stōr"ē), [key] — pl. -ries.
- a portion of an interior rising above adjacent rooftops and having windows admitting daylight to the interior.
- 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.