Lewis Short
jăcŭlātor (noun M) : id.
* A thrower, caster, hurler.
* 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.
* In partic.
* 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.
* Trop., an accuser: felix orator quoque maximus et jaculator,Juv. 7, 193.
Charlton T. Lewis, Charles Short, A Latin Dictionary