If a prisoner is manacled, their wrists or legs are put in manacles in order to prevent them from moving or escaping. His hands were manacled behind his back He was manacled by the police. an iron ring on a chain that is put around the wrist or ankle of a prisoner (manicle, from manicula, from manus )
A shackle, consisting of a pair of joined rings, to restrict the free movement of the hands
confine or restrain with or as if with manacles or handcuffs; "The police handcuffed the suspect at the scene of the crime"