voluntary

  1. Adjective.  Done, given, or acting of one's own free will.
  2. Adjective.  Working or done without payment.
  3. Noun.  (music) A short piece of music, often having improvisation, played on a solo instrument.
  4. Noun.  A volunteer.

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This entry was last updated on RefTopia from its source on 3/20/2012.