How do you spell Impalement

Available Definitions:
1)  n. - The act of impaling, or the state of being impaled.
2)  n. - An inclosing by stakes or pales, or the space so inclosed.
3)  n. - That which hedges in; inclosure.
4)  n. - 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.