What is the meaning of Shackle?

A restraint fitted over a human or animal appendage, such as an ankle, finger, or wrist, normally used in a pair joined by a chain.

1. A U-shaped piece of metal secured with a bolt or pin across the ends, or a hinged metal loop secured with a quick-release locking pin mechanism, used for attaching things together while allowing for some degree of movement; a clevis.
2. A hook, ring, or other device for connecting, holding, lifting, etc.; specifically , a small incomplete ring secured with a bolt across the ends, used to connect lengths of cable or chain together, or to keep a porthole closed.
3. Synonym of hobble or hopple (“a short strap tied between the legs of a horse, allowing it to wander a short distance but not to run off”)
4. A link for connecting railroad cars; a draglink, drawbar, or drawlink.

   A U-shaped piece of metal secured with a bolt or pin across the ends, or a hinged metal loop secured with a quick-release locking pin mechanism, used for attaching things together while allowing for some degree of movement; a clevis.

   A hook, ring, or other device for connecting, holding, lifting, etc.; specifically , a small incomplete ring secured with a bolt across the ends, used to connect lengths of cable or chain together, or to keep a porthole closed.

   Synonym of hobble or hopple (“a short strap tied between the legs of a horse, allowing it to wander a short distance but not to run off”)

   A link for connecting railroad cars; a draglink, drawbar, or drawlink.

   Short for shackle-bone (“wristbone, carpal; wrist”).

   A fetter-like band worn on an appendage as an ornament; an anklet, an armlet, a bracelet, a wristlet.

   A restraint on one's action, activity, or progress.

   A length of cable or chain equal to 12½ fathoms (75 feet or about 22.9 metres), or later to 15 fathoms (90 feet or about 27.4 metres).

   1. To place (a person or animal) in shackles (noun sense 1); to immobilize or restrain using shackles.

      To place (a person or animal) in shackles (noun sense 1); to immobilize or restrain using shackles.

      To connect or couple (something) to another thing using a shackle (noun sense 1.1.1, sense 1.1.2, etc.).

      To provide (something) with a shackle.

      1. To inhibit or restrain the ability, action, activity, or progress of (someone or something); to render (someone or something) incapable or ineffectual.

         To inhibit or restrain the ability, action, activity, or progress of (someone or something); to render (someone or something) incapable or ineffectual.

         To combine (a substance) with another substance.

         Of two things: to connect or couple together.

         A person who is idle or lazy; an idler.

         A dice game; also, an event at which tickets are sold for chances to be drawn to win prizes; a raffle.

         1. To rattle or shake (something).
         2. To put (something) into disorder; specifically , to cause (standing stalks of corn) to fall over.

         To rattle or shake (something).

         To put (something) into disorder; specifically , to cause (standing stalks of corn) to fall over.

         Often followed by about: to be idle or lazy; to avoid work.

         shackle, fetter, manacle

         wrist

         to shackle

         Source: wiktionary.org