Answer: singsing

AnswerCrossword Clue
SINGSINGJulius and Ethel Rosenberg were incarcerated here
SINGSINGStoried New York prison
SINGSINGOnetime bailiwick of Lewis E. Lawes.
SINGSINGIndian tribe of Hudson River valley.
SINGSINGHudson structure.
SINGSINGHudson River sight
SINGSINGLockup on the Hudson
SINGSINGFormer name of Ossining, N.Y.
SINGSINGOssining's former name
SINGSINGPrison hootenannies? (4,4)
SINGSINGOld jug
SINGSINGPrison, amid uprisings, ingathered (4,4)
SINGSINGInfamous New York penitentary
SINGSINGInfamous New York penitentiary
SINGSINGUp-the-river venue
SINGSINGNew York lockup