Binghamton (bĭngˈəmtən) [key], industrial city (1990 pop. 53,008), seat of Broome co., S central N.Y., at the confluence of the Chenango and the Susquehanna rivers; settled 1787, inc. as a city 1867. It is the largest of the Triple Cities (Binghamton, Endicott, and Johnson City), which were famous for shoes. Manufactures include marking devices, foods, fabricated metal products, machinery, aerospace control systems, electronic equipment, photographic materials, and computers. Binghamton grew mainly after the Chenango Canal connected it with Utica in 1837. The first railroad service began in 1869. The State Univ. of New York at Binghamton is there. The city's Robertson Center and Museum Complex has a planetarium, theater, and holdings in art, science, and history.