A New York state prison, built in 1825–8 in the town of Ossining (formerly Sing Sing) on the Hudson River, and once notorious for its severe discipline.
Official name Ossining Correctional Facility
Definition of Sing Sing in US English:
Sing Sing
proper nounˈsiNG ˌsiNG
A New York state prison, built in 1825–8 in the town of Ossining (formerly Sing Sing) on the Hudson River, and once notorious for its severe discipline.