Definition of gibbets:
(n) :
An upright post with a crosspiece used for execution and subsequent public display.
(n) :
A human-shaped structure made of iron bands designed to publicly display the corpse of an executed criminal.
(v) :
(transitive) To execute (someone), or display (a body), on a gibbet.
(n) :
The projecting arm of a crane, from which the load is suspended.
(v) :
(transitive) To expose (someone) to ridicule or scorn.