clinch /ˈklɪnʧ/
  釘牢(vt.)(vi.)敲彎,扭住
  Clinch v. t. [imp. & p. p. Clinched p. pr. & vb. n. Clinching.]
  1. To hold firmly; to hold fast by grasping or embracing tightly. “Clinch the pointed spear.”
  2. To set closely together; to close tightly; as, to clinch the teeth or the first.
  3. To bend or turn over the point of (something that has been driven through an object), so that it will hold fast; as, to clinch a nail.
  4. To make conclusive; to confirm; to establish; as, to clinch an argument.
  Clinch, v. i. To hold fast; to grasp something firmly; to seize or grasp one another.
  Clinch n.
  1. The act or process of holding fast; that which serves to hold fast; a grip; a grasp; a clamp; a holdfast; as, to get a good clinch of an antagonist, or of a weapon; to secure anything by a clinch.
  2. A pun.
  3. Naut. A hitch or bend by which a rope is made fast to the ring of an anchor, or the breeching of a ship's gun to the ringbolts.
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  clinch
       n 1: (boxing) the act of one boxer holding onto the other to
            avoid being hit and to rest momentarily
       2: a small slip noose made with seizing [syn: clench]
       3: the flattened part of a nail or bolt or rivet
       4: a tight or amorous embrace; "come here and give me a big
          hug" [syn: hug, squeeze]
       v 1: secure or fasten by flattening the ends of nails or bolts;
            "The girder was clinched into the wall"
       2: hold a boxing opponent with one or both arms so as to
          prevent punches
       3: hold in a tight grasp; "clench a steering wheel" [syn: clench]
       4: embrace amorously
       5: flatten the ends (of nails and rivets); "the nails were
          clinched"
       6: settle conclusively; "clinch a deal"