The Collaborative International Dictionary of English v.0.48:

Hairdresser \Hair"dress`er\ (-dr[e^]s`[~e]r), n.
   One who dresses or cuts hair; a barber.
   [1913 Webster]

WordNet (r) 3.0 (2006):

hairdresser
    n 1: someone who cuts or beautifies hair [syn: hairdresser,
         hairstylist, stylist, styler]