RhymeZone: shackling definitions

Definitions of shackle:

noun: a restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner)
noun: a U-shaped bar; the open end can be passed through chain links and closed with a bar
verb: restrain with fetters
verb: bind the arms of
name: A surname (very rare: popularity rank in the U.S.: #60344)