Lewis & Short

jăcŭlātor, ōris, m. [jaculor], a thrower, caster, hurler.

  1. I. In gen.: Enceladus jaculator audax (truncorum), Hor. C. 3, 4, 55: fulminis, Stat. Th. 12, 562; Arn. 4, 22: missis a rege Boccho jaculatoribus, Sen. Brev. Vit. 13, 6.
  2. II. In partic.
    1. A. A thrower of the dart or javelin (a sort of light-armed soldier, who carried only a dart or javelin): jaculatorum manus, Liv. 36, 18; 21, 21 al.
    2. B. A caster of the net, a fisherman, Plaut. ap. Isid. Orig. 19, 5, 2.
  3. III. Trop., an accuser: felix orator quoque maximus et jaculator, Juv. 7, 193.