Word of the day

Clerestory – a high section of wall that contains windows above eye level to admit light and/or air; any fensetrated wall of a room that is carried higher than the surrounding roofs to light the interior space; an outside wall of a room or building that rises above an adjoining roof and contains windows;  a row of windows in the upper part of the wall of a church that divides the nave from the aisle, set above the aisle roof; the part of the wall in which these windows are set.