/ wɪg; NAmE / noun , verb
■ noun
a piece of artificial hair that is worn on the head, for example to hide the fact that a person is bald , to cover sb's own hair, or by a judge and some other lawyers in some courts of law
■ verb
( -gg- )
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PHRASAL VERBS
- wig out
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WORD ORIGIN
noun late 17th cent.: shortening of periwig .
wig out. early 19th cent.: apparently from the noun wig , perhaps from bigwig and associated with a rebuke given by a person in authority.