The Collaborative International Dictionary of English v.0.48:

Cicatrize \Cic"a*trize\, v. t. [imp. & p. p. Cicatrized; p.
   pr. & vb. n. Cicatrizing.] [Cf. F. cicatriser, fr.
   cicatrice, L. cicatrix, scar.] (Med.)
   To heal or induce the formation of a cicatrix in, as in
   wounded or ulcerated flesh. --Wiseman.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Cicatrize \Cic"a*trize\, v. i. (Med.)
   To heal; to have a new skin.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cicatrize
    v 1: form a scar, after an injury; "the skin will cicatrize and
         it will heal soon" [syn: cicatrize, cicatrise]