Voluntary \Vol"un*ta*ry\, n.; pl. {Voluntaries}.
1. One who engages in any affair of his own free will; a
volunteer. [R.] --Shak.
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2. (Mus.) A piece played by a musician, often extemporarily,
according to his fancy; specifically, an organ solo played
before, during, or after divine service.
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3. (Eccl.) One who advocates voluntaryism.
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