the upper part of a wall, specif. of a church, containing windows for lighting the central part of a lofty room or space
Origin of clerestoryMiddle English clerestorie from cler, clear + storie, story
- The upper part of the nave, transepts, and choir of a church, containing windows that rise above the roofs of the aisles.
- A similar structure admitting light into an ancient building such as an Egyptian temple or a Roman basilica.
- An upper portion of a wall containing windows, especially when rising above a lower roof.
Origin of clerestoryMiddle English clerestorie perhaps cler giving light, clear ; see clear . storie tier ; see story 2.
nave wall of a Gothic cathedral