Chicago window

noun

1. a composite window, horizontal in character, consisting of a large, fixed sheet of glass between two vertical windows with sash for ventilation, first popularized in commercial buildings in Chicago in the 1880s and 1890s.

Example Sentences

In 2008, the owners of a Chicago window factory decided to close it with little notice, and the workers staged a six-day sit-in that made them celebrities overnight.

From New York Times