What is the meaning of Gibbet?

An upright post with a crosspiece used for execution and subsequent public display.

The projecting arm of a crane, from which the load is suspended.

A human-shaped structure made of iron bands designed to publicly display the corpse of an executed criminal.

To execute (someone), or display (a body), on a gibbet.

To expose (someone) to ridicule or scorn.

alternative form of gibet

Source: wiktionary.org