Lewis & Short

jŭgŭlum, i, n., and jŭgŭlus, i, m. [jug, jungo],

  1. I. the collar-bone, which joins together the shoulders and the breast, Cels. 8, 1, § 70: uni homini juguli, humeri: ceteris armi, Plin. 11, 43, 98, § 243.
  2. II. Transf., hence, the hollow part of the neck above the collar-bone: quod jugula concava non haberet, Cic. Fat. 5, 10.
    1. B. The throat: jugulum perfodere, Tac. A. 3, 15: resolvere, Ov. M. 1, 227: recludere stricto ense, id. ib. 7, 285: tenui jugulos aperire susurro, Juv. 4, 110: demittere gladium in jugulum, Plaut. Merc. 3, 4, 28: dare or praebere, to present the throat, sc. to be cut, as was done by conquered gladiators, Cic. Mil. 11: offerre alicui, Tac. H. 1, 41: porrigere, Hor. S. 1, 3, 89.
  3. III. Trop.
    1. A. A slaughter, murder: Electrae jugulo se polluere, Juv. 8, 218.
    2. B. Petere, to aim at the throat, i. e. to attack the main point of one’s argument, Quint. 8, 6, 51: jugulum causae premere, Plin. Ep. 1, 20, 14.