The term 'American Windy City' is a reference to the city of Chicago, which has seven letters. Chicago is the third-largest city in the United States and is located in the state of Illinois. It is known for its windy weather due to its location on the shores of Lake Michigan. The city is also known for its iconic skyline, which includes the Willis Tower, the John Hancock Center, and the Tribune Tower. Chicago is home to many cultural attractions, including the Art Institute of Chicago, the Field Museum, and the Shedd Aquarium.