Clerestory (noun)

A row of high windows in the upper part of a church or other large building, designed to admit light.

Origin:

Late middle english clarestory, from clare "clear" + story.

Examples:

1. The clerestory windows of the cathedral allowed light to filter into the nave.
2. The church was filled with light from the high windows in the clerestory.
3. The clerestory often provided ventilation as well as light in medieval buildings.
4. The sun streamed through the clerestory, illuminating the interior of the mosque.
5. The clerestory was often decorated with stained glass or other artistic elements.