| 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. |
clear·sto·ry (klîr'stôr'ē, -stōr'ē) n. Variant of clerestory. |