from
The Collaborative International Dictionary of English v.0.48
Impalement \Im*pale"ment\, n.
1. The act of impaling, or the state of being impaled.
--Byron.
[1913 Webster]
2. An inclosing by stakes or pales, or the space so inclosed.
--H. Brooke.
[1913 Webster]
3. That which hedges in; inclosure. [R.] --Milton.
[1913 Webster]
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.
[1913 Webster]