Entry 2 senses · 2 variants Webster, 1913 Periwig /(pĕr"ĭ*wĭg)/ · Per·i·wig · IPA /ˈpɛɹɪwɪɡ/ n. v. t. 01 n. A headdress of false hair, usually covering the whole head, and representing the natural hair; a wig. 1. A headdress of false hair, usually covering the whole head, and representing the natural hair; a wig. 02 v. t. To dress with a periwig, or with false hair. imp. & p. p. Perwigged; p. pr. & vb. n. Perwigging 1. To dress with a periwig, or with false hair.