Answer: penitentiary

AnswerCrossword Clue
penitentiary(in the Roman Catholic Church) A priest charged with certain aspects of the administration of the sacrament of penance
penitentiaryA prison for people convicted of serious crimes
penitentiaryin N. America, a prison
penitentiaryAn office in the papal court forming a tribunal for deciding on questions relating to penance, dispensations, and absolution