What does the term "Chicago Window" describe?

The term "Chicago Window" describes a distinctive architectural feature that consists of a three-part window design. This design typically features a large central pane of glass flanked by two smaller side windows. It is characterized by its ability to provide ample natural light and ventilation, which was particularly valued in the context of early 20th-century Chicago architecture. This window style can be seen in many of the city’s buildings, as it represents a blend of functionality and aesthetic appeal, showcasing how architects worked to enhance urban living spaces during this period. The Chicago Window is often associated with the Chicago School of architecture, which emphasized the use of large glass surfaces in commercial buildings.