What is the meaning of Wig?

A head of real or synthetic hair worn on the head to disguise baldness, for cultural or religious reasons, for fashion, or by actors to help them better resemble the character they are portraying.

A bigwig

An old seal.

To put on a wig; to provide with a wig (especially of an actor etc.).

To upbraid, reprimand.

To act in an extremely emotional way; to be overly excited, irritable, nervous, or fearful; behave erratically.

 To shoot in the head.

An expression of shock. (Can we add an example for this sense?)

wedge

quoin

wedge

Romanization of 𐍅𐌹𐌲

(poetic or in compounds) war, battle

idol

holy, consecrated

war, battle

horse, steed

wig

Source: wiktionary.org