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 as a warning
() From Old French gibet (Modern French gibet), either from Frankish gibb (“forked stick”) or from Latin gibbus (“hunchbacked”).Le Robert pour tous, Dictionnaire de la langue française, Janvier 2004, p. 520