'permanent wave' definitions:

Definition of 'permanent wave'

From: WordNet
noun
A series of waves in the hair made by applying heat and chemicals [syn: permanent wave, permanent, perm]

Definition of 'permanent wave'

From: GCIDE
  • permanent wave \permanent wave\ n.
  • 1. A wave or curl in the hair that lasts for months and is made durable by treating the hair with chemicals when it is curled.
  • Syn: permanent. [PJC]
  • 2. The process of treating the hair with chemicals to create a permanent wave[1]. [PJC]