impalement
  刺住;刺刑
  Em·pale·ment n.  [Written also impalement.]
  1. A fencing, inclosing, or fortifying with stakes.
  2. A putting to death by thrusting a sharpened stake through the body.
  3. Her. Same as Impalement.
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  Im·pale·ment n.
  1. The act of impaling, or the state of being impaled.
  2. An inclosing by stakes or pales, or the space so inclosed.
  3. That which hedges in; inclosure. [R.]
  4. Her. The division of a shield palewise, or by a vertical line, esp. for the purpose of putting side by side the arms of husband and wife. See Impale, 3.
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  impalement
       n : the act of piercing with a sharpened stake as a form of
           punishment or torture