voluntarius

voluntas (“will”) +‎ -ārius

• (Classical Latin) IPA^(key): [wɔ.ɫʊnˈtaː.ri.ʊs]
• (modern Italianate Ecclesiastical) IPA^(key): [vo.lun̪ˈt̪aː.ri.us]

voluntārius m (genitive voluntāriī or voluntārī); second declension

1. volunteer

Second-declension noun.

¹Found in older Latin (until the Augustan Age).

voluntārius (feminine voluntāria, neuter voluntārium); first/second-declension adjective

1. voluntary, willing, of one’s own accord or free will, self-imposed
   • c. 4 BCE – 65 CE, Seneca the Younger, Epistulae Morales ad Lucilium 47.17:

     Dabō cōnsulārem aniculae servientem, dabō ancillulae dīvitem, ostendam nōbilissimōs iuvenēs mancipia pantomīmōrum: nūlla servitūs turpior est quam voluntāria.

     I will offer [as examples] a man of consular rank serving an old woman, [or] a rich man enslaved to a slave girl, [and] I’ll show you the most noble youths [who are acting as] slaves to pantomime players: no slavery is more shameful than that which is self-imposed.

First/second-declension adjective.

• mors voluntāria

• “voluntarius”, in Charlton T. Lewis and Charles Short (1879), A Latin Dictionary, Oxford: Clarendon Press
• “voluntarius”, in Charlton T. Lewis (1891), An Elementary Latin Dictionary, New York: Harper & Brothers
• "voluntarius", in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition with additions by D. P. Carpenterius, Adelungius and others, edited by Léopold Favre, 1883–1887)
• “voluntarius”, in Gaffiot, Félix (1934), Dictionnaire illustré latin-français, Hachette.
• Carl Meißner; Henry William Auden (1894), Latin Phrase-Book‎^[1], London: Macmillan and Co.
  • to die a natural death: necessaria (opp. voluntaria) morte mori
    
  • the volunteers: evocati, voluntarii (B. G. 5. 56)