IMPA'LE, verb transitive [Latin in and palus, a pole, a stake.] 1. To fix on a stake; to put to death by fixing on an upright sharp stake. [See Empale.] 2. To inclose with stakes, posts or palisades. 3. In heraldry, to join two coats of arms pale-wise.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI