Definitions for "ORIEL WINDOW"
A window projecting from an upper floor.
Most windows have two glass panels that are the same height. But some times there is a difference in the height. Some times in a double hung window, the top glass panel can be either taller or shorter than the bottom glass panel. This window with unequal glass panels is called an oriel window.
a projecting bay window corbeled or cantilevered out from a wall