gibbet

n. Hist. 1 a gallows. B post with an arm on which an executed criminal was hung. 2 (prec. By the) death by hanging. v. (-t-) 1 put to death by hanging. 2 expose or hang up on a gibbet. [french gibet]

n. A kind of gallows; an upright post with an arm projecting from the top, on which, formerly, malefactors were hanged in chains, and their bodies allowed to remain asa warning.