A fastening, consisting of an iron ring around the wrist, usually connected by a chain with one on the other wrist; a manacle; -- usually in the plural.
- A restraining device consisting of a pair of strong, connected hoops that can be tightened and locked about the wrists and used on one or both arms of a prisoner in custody; a manacle. Often used in the plural.
- To restrain with or as if with handcuffs.
- To render ineffective or impotent. See Synonyms at hamper1.