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

voluntary \vol"untary\, a. l. voluntarius, fr. voluntas will,
   choice, from the root of velle to will, p. pr. volens; akin
   to e. will: cf. f. volontaire, of. also voluntaire. see
   will, v. t., and cf. benevolent, volition,
   volunteer.
   1. proceeding from the will; produced in or by an act of
      choice.
      1913 webster

            that sin or guilt pertains exclusively to voluntary
            action is the true principle of orthodoxy. --n. w.
                                                  taylor.
      1913 webster

   2. unconstrained by the interference of another; unimpelled
      by the influence of another; not prompted or persuaded by
      another; done of his or its own accord; spontaneous;
      acting of one's self, or of itself; free.
      1913 webster

            our voluntary service he requires.    --milton.
      1913 webster

            she fell to lust a voluntary prey.    --pope.
      1913 webster

   3. done by design or intention; intentional; purposed;
      intended; not accidental; as, if a man kills another by
      lopping a tree, it is not voluntary manslaughter.
      1913 webster

   4. physiol. of or pertaining to the will; subject to, or
      regulated by, the will; as, the voluntary motions of an
      animal, such as the movements of the leg or arm in
      distinction from involuntary motions, such as the
      movements of the heart; the voluntary muscle fibers,
      which are the agents in voluntary motion.
      1913 webster

   5. endowed with the power of willing; as, man is a voluntary
      agent.
      1913 webster

            god did not work as a necessary, but a voluntary,
            agent, intending beforehand, and decreeing with
            himself, that which did outwardly proceed from him.
                                                  --hooker.
      1913 webster

   6. law free; without compulsion; according to the will,
      consent, or agreement, of a party; without consideration;
      gratuitous; without valuable consideration.
      1913 webster

   7. eccl. of or pertaining to voluntaryism; as, a voluntary
      church, in distinction from an established or state
      church.
      1913 webster

   voluntary affidavit or voluntary oath law, an affidavit
      or oath made in an extrajudicial matter.

   voluntary conveyance law, a conveyance without valuable
      consideration.

   voluntary escape law, the escape of a prisoner by the
      express consent of the sheriff.

   voluntary jurisdiction. eng. eccl. law see contentious
      jurisdiction, under contentious.

   voluntary waste. law see waste, n., 4.
      1913 webster

   syn: see spontaneous.
        1913 webster
see also:
will benevolent volition volunteer voluntary affidavit voluntary oath 
voluntary conveyance voluntary escape voluntary jurisdiction contentious jurisdiction contentious 
voluntary waste waste spontaneous 

[2] : Bouvier's Law Dictionary, Revised 6th Ed (1856)

voluntary jurisdiction. in the ecclesiastical law, jurisdiction is either 
contentious jurisdiction, q.v. or voluntary jurisdiction. by the latter 
term is understood that kind of jurisdiction which requires no judicial 
proceedings, as, the granting letters of administration and receiving the 
probate of wills. 

Voluntary >> V Words
Voluntary, definition of term: Voluntary
voluntary_pag1.html

Jurisdiction >> J Words
Jurisdiction, definition of term: Jurisdiction
jurisdiction_pag1.html