Source : Webster's Revised Unabridged Dictionary (1913)

Wanton \Wan"ton\, v. i. [imp. & p. p. {Wantoned}; p. pr. & vb.
   n. {Wantoning}.]
   1. To rove and ramble without restraint, rule, or limit; to
      revel; to play loosely; to frolic.

            Nature here wantoned as in her prime. --Milton.

            How merrily we would sally into the fields, and
            strip under the first warmth of the sun, and wanton
            like young dace in the streams!       --Lamb.

   2. To sport in lewdness; to play the wanton; to play
      lasciviously.