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jūro, āvi, ātum, 1, v. n. and a., and jūror, ātus, 1, v. dep. [2. jus], to swear, to take an oath.

  1. I. In gen., absol.: cui si aram tenens juraret, crederet nemo, Cic. Fl. 36, 90: cum ille mihi nihil, nisi ut jurarem, permitteret, id. Fam. 5, 2, 7: cum enim faciles sint nonnulli hominum ad jurandum, Dig. 28, 7, 8: posteaquam juratum est, denegatur actio, ib. 12, 2, 9: ex animi tui sententia jurāris, Cic. Off. 3, 29, 108.
    With inf., Sil. 2, 3, 51; Claud. B. Get. 81; Dig. 12, 2, 13, § 5.
    With nom. and inf., poet., Prop. 3, 4, 40.
    With acc. and inf.: jurat, se eum non deserturum, Caes. B. C. 3, 13: se non reversurum, id. ib. 3, 87: jurarem … me et ardere studio veri reperiendi, Cic. Ac. 2, 20, 65: nisi victores se redituros jurant, Liv. 2, 45: Boeotum in crasso jurares aëre natum, Hor. Ep. 2, 1, 244: falsum, to swear falsely, Cic. Off. 3, 29, 108: vere, to swear truly, id. Fam. 5, 2, 7: jurarem per Jovem, by Jupiter, id. Ac. 2, 20, 65: per supremi regis regnum, Plaut. Am. 2, 2, 211; Verg. A. 9, 300: per solis radios, Juv. 13, 78; 6, 16.
    Also with simple acc. of the being or object sworn by (mostly poet.): Terram, Mare, Sidera, Verg. A. 12, 197; 6, 324: quomodo tibi placebit Jovem lapidem jurare, cum scias? Cic. Fam. 7, 12, 2: quaevis tibi numina, Ov. H. 16, 319: Samothracum aras, Juv. 3, 144.
    Hence also pass.: dis juranda palus, the Styx, by which the gods swear, Ov. M. 2, 46; cf.: Stygias juravimus undas, id. ib. 2, 101: Junonis numina, Tib. 4, 13, 15: caput, Sil. 8, 106.
    Rarely with acc. of the fact sworn to: morbum, i. e. to swear to the fact of sickness, Cic. Att. 1, 1, 1; cf.: jurata pacta, Sil. 2, 274: ex mei animi sententia, with sincerity, without reservation, Liv. 22, 53, 10; so, ex nostri animi sententia, Quint. 8, 5, 1; cf. Liv. 43, 15, 8; Gell. 4, 20, 3: alicui aliquid, to vow or promise to one, Stat. Th. 4, 396: sacramenta deis, Sil. 10, 448: alicui jurare, to swear allegiance to, Plin. Pan. 68, 4: in verba, to swear with certain words, i. e. to take a prescribed form of oath: Petreius in haec verba jurat, Caes. B. C. 1, 76: cur in certa verba jurent, Cic. Inv. 2, 45, 132: milites in verba P. Scipionis jurarunt, Liv. 28, 29; 7, 5; 6, 22: in haec verba jures postulo, in this form of words, id. 22, 53, 12: in verba magistri, to echo his sentiments, Hor. Ep. 1, 1, 14: in verba ejus, Suet. Galb. 16: in verba Vitellii, id. Oth. 8: idem deinceps omnis exercitus in se quisque jurat, i. e. each soldier took the oath separately; whereas the usual practice was that one man uttered the entire oath, and the others only added, idem in me, Liv. 2, 45, 14: in litem, to make oath respecting the matter in dispute, to appraise under oath, Cic. Rosc. Com. 1, 4; Dig. 4, 3, 18; 8, 5, 7 al.: in nomen alicujus, to swear allegiance to one, Suet. Claud. 10: in legem, to swear to observe a law, Cic. Sest. 16, 37: verissimum pulcherrimumque jusjurandum, to take an oath, id. Fam. 5, 2, 7: sacramenta, Sil. 10, 447; cf.: sceleri jurato nefando sacramenta, Luc. 4, 228.
    With de and abl.: de sua persona, in one’s own behalf, Dig. 44, 5, 1, § 3: de calumnia, to clear one’s self of calumny under oath, ib. 12, 2, 16; 2, 8, 8, § 5.
    Pass. impers.: scis, tibi ubique jurari, Plin. Pan. 68: ne in acta sua juraretur, Suet Tib. 26.
          1. (β) Dep. form, Plaut. Pers. 3, 2, 2; cf. id. Rud. 5, 3, 16: judici demonstrandum est, quid juratus sit, quid sequi debeat, Cic. Inv. 2, 43, 126: ex lege, in quam jurati sitis, id. ib. 2, 45, 121: juratus se eum sua manu interempturum, Liv. 32, 22, 7.
  2. II. In partic., to conspire (cf. conjuro); with inf.: jurarunt inter se barbaros necare, Cato ap. Plin. 29, 1, 7, § 14: in me jurarunt somnus, ventusque, fidesque, Ov. H. 10, 117: in facinus, id. M. 1, 242.
    Hence, jūrātus, a, um, P. a.
    1. A. Pass.
      1. 1. Called upon or taken to witness in an oath: numina, Ov. H. 2, 25.
      2. 2. Under an oath, bound by an oath: Regulus juratus missus est ad senatum, ut, etc., Cic. Off. 3, 26, 99: quamvis jurato metuam tibi credere testi, Juv. 5, 5.
    2. B. Act., having sworn, that has sworn: nam injurato scio plus credet mihi quam jurato tibi, Plaut. Am. 1, 1, 281; id. As. 1, 1, 8: haec, quae juratus in maxima contione dixi, Cic. Sull. 11: in eadem arma, Ov. M. 13, 50.
      Sup.: juratissimi auctores, the most trustworthy, Plin. H. N. praef. § 22.
      Adv.: jūrātō, with an oath, under oath (post-class.): promittere, Dig. 2, 8, 16.

jūror, ātus sum, v. dep., v juro, I. β.