The Collaborative International Dictionary of English v.0.48:

Comb \Comb\, v. t. [imp. & p. p. Combed; p. pr. & vb. n.
   Combing.]
   To disentangle, cleanse, or adjust, with a comb; to lay
   smooth and straight with, or as with, a comb; as, to comb
   hair or wool. See under Combing.
   [1913 Webster]

         Comb down his hair; look, look! it stands upright.
                                                  --Shak.
   [1913 Webster]

WordNet (r) 3.0 (2006):

combed
    adj 1: (of hair) made tidy with a comb; "with hair combed to the
           side" [ant: uncombed]