IMPALE, in heraldry, is to conjoin two coats of arms pale-wise. Women impale their coats of arms with those of their husbands. See HERALDRY, p. 3589, 3610.
To impale cities, camps, fortifications, &c. is to inclose them with pallisades.
To IMPALE, or Empale, signifies also to put to death by spitting on a stake fixed upright.