[1] : The Collaborative International Dictionary of English v.0.48

masturbate \masturbate\ v. i. imp.  p. p. masturbated; p.
   pr.  vb. n. masturbating.
   to achieve sexual gratification by stimulating one's own
   sexual organs, without the aid of a partner; -- typically to
   the point of orgasm. -- masturbator, n.

   syn: wank, she-bop, jack off, jerk off, whack off, beat the
        meat.
        wordnet 1.5
see also:
masturbated masturbating masturbator 

[2] : WordNet (r) 2.0

masturbate
     v 1: stimulate sexually; "the old man wanted to be masturbated by
          the prostitute"
     2: get sexual gratification through self-stimulation syn: wank,
         fuck off, she-bop, jack off, jerk off
see also:
wank fuck off she-bop jack off jerk off 

Masturbate >> M Words
Masturbate, definition of term: Masturbate
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