The Collaborative International Dictionary of English v.0.48:

Peruke \Per"uke\, n. [F. perruque, It. perrucca, parrucca, fr.
   L. pilus hair. Cf. Periwig, Wig, Peel to strip off,
   Plush, Pile a hair.]
   A wig; a periwig.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Peruke \Per"uke\, v. t.
   To dress with a peruke. [R.]
   [1913 Webster]

WordNet (r) 3.0 (2006):

peruke
    n 1: a wig for men that was fashionable in the 17th and 18th
         centuries [syn: periwig, peruke]