shack·le /ˈʃækəl/
 桎梏,束縛物(vt.)加桎梏,加枷鎖,束縛


 Shac·kle n. Stubble. [Prov. Eng.]


 Shac·kle, n.
 1. Something which confines the legs or arms so as to prevent their free motion; specifically, a ring or band inclosing the ankle or wrist, and fastened to a similar shackle on the other leg or arm, or to something else, by a chain or a strap; a gyve; a fetter.
    His shackles empty left; himself escaped clean.   --Spenser.
 2. Hence, that which checks or prevents free action.
    His very will seems to be in bonds and shackles.   --South.
 3. A fetterlike band worn as an ornament.
    Most of the men and women . . . had all earrings made of gold, and gold shackles about their legs and arms.   --Dampier.
 4. A link or loop, as in a chain, fitted with a movable bolt, so that the parts can be separated, or the loop removed; a clevis.
 5. A link for connecting railroad cars; -- called also drawlink, draglink, etc.
 6. The hinged and curved bar of a padlock, by which it is hung to the staple.
 Shackle joint Anat., a joint formed by a bony ring passing through a hole in a bone, as at the bases of spines in some fishes.


 Shac·kle v. t. [imp. & p. p. Shackled p. pr. & vb. n. Shackling.]
 1. To tie or confine the limbs of, so as to prevent free motion; to bind with shackles; to fetter; to chain.
 To lead him shackled, and exposed to scorn
 Of gathering crowds, the Britons' boasted chief.   --J. Philips.
 2. Figuratively: To bind or confine so as to prevent or embarrass action; to impede; to cumber.
    Shackled by her devotion to the king, she seldom could pursue that object.   --Walpole.
 3. To join by a link or chain, as railroad cars. [U. S.]
 Shackle bar, the coupling between a locomotive and its tender. [U.S.]
 Shackle bolt, a shackle.

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 shackle
      n 1: a restraint that confines or restricts freedom (especially
           something used to tie down or restrain a prisoner) [syn:
            bond, hamper, trammel, trammels]
      2: a U-shaped bar; the open end can be passed through chain
         links and closed with a bar
      v 1: bind the arms of [syn: pinion]
      2: restrain with fetters [syn: fetter]