What does "impalement" mean?

Impalement: An inclosing by stakes or pales, or the space so inclosed. H. Brooke.

Additional senses

  1. 2.That which hedges in; inclosure. [R.] Milton.
  2. 3.(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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