The term 'Casino Town' can be summarized by the crossword solution of Reno, a 4-letter word. Reno is a city in Nevada, United States, known for its casinos and entertainment. It is often referred to as 'The Biggest Little City in the World' due to its reputation for having a large number of casinos and other entertainment venues in a relatively small area. Reno is also home to the University of Nevada, Reno, making it a popular destination for students and faculty alike.