1. noun /wɪɡ/
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.
2. verb /wɪɡ/
a) To put on a wig; to provide with a wig (especially of an actor etc.).
See Also: wig out
Wikipedia foundation.