What is the meaning of trammel?

noun

• A fishing net with three layers; the outer two are coarse mesh and the loose inner layer is fine mesh.
  • synonyms: trammel net
• An adjustable pothook set in a fireplace.
• A restraint that is used to teach a horse to amble.
• A restraint that confines or restricts freedom (especially something used to tie down or restrain a prisoner.
  • synonyms: shackle, bond, hamper

verb

• Catch in or as if in a trap.
  • usage: "The men trap foxes"
  • synonyms: trap, entrap, snare, ensnare
• Place limits on (extent or access. )
  • usage: "restrict the use of this parking lot"; "limit the time you can spend with your friends"
  • synonyms: restrict, restrain, limit, bound, confine, throttle