tram·mel /ˈtræməl/
 拘束,束縛,束縛物(vt.)拘束,束縛
 Tram·mel n.
 1. A kind of net for catching birds, fishes, or other prey.
 2. A net for confining a woman's hair.
 3. A kind of shackle used for regulating the motions of a horse and making him amble.
 4. Fig.: Whatever impedes activity, progress, or freedom, as a net or shackle.
    [They] disdain the trammels of any sordid contract.   --Jeffrey.
 5. An iron hook of various forms and sizes, used for handing kettles and other vessels over the fire.
 6. Mech. (a) An instrument for drawing ellipses, one part of which consists of a cross with two grooves at right angles to each other, the other being a beam carrying two pins (which slide in those grooves), and also the describing pencil. (b) A beam compass. See under Beam.
 Tram·mel v. t. [imp. & p. p. Trammeled or Trammelled; p. pr. & vb. n. Trammeling, or Trammelling.]
 1. To entangle, as in a net; to catch. [R.]
 2. To confine; to hamper; to shackle.
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 trammel
      n 1: a fishing net with three layers; the outer two are coarse
           mesh and the loose inner layer is fine mesh [syn: trammel
           net]
      2: an adjustable pothook set in a fireplace
      3: a restraint that is used to teach a horse to amble
      4: a restraint that confines or restricts freedom (especially
         something used to tie down or restrain a prisoner) [syn: shackle,
          bond, hamper, trammels]
      v 1: catch in or as if in a trap; "The men trap foxes" [syn: trap,
            entrap, snare, ensnare]
      2: place limits on (extent or access); "restrict the use of
         this parking lot"; "limit the time you can spend with your
         friends" [syn: restrict, restrain, limit, bound, confine,
          throttle]
      [also: tramels, tramelling, tramelled, trameling,
      trameled]