D defs.my
Entry 3 senses Webster, 1913

Ballistic

/bəl-ĭs'-tĭk/ · Bal·lis·tic · IPA /bəˈlɪs.tɪk/
01 a. Of or pertaining to the ballista, or to the art of hurling stones or missile weapons by means of an engine.
  1. 1.
    Of or pertaining to the ballista, or to the art of hurling stones or missile weapons by means of an engine.
  2. 2.
    Pertaining to ballistics{2}, or to a projectile in a gravitational field.
  3. 3.
    frenzied; very angry; -- used mostly in the phrase go ballistic.[Colloq.]
Phrases & compounds
Ballistic pendulum — an instrument consisting of a mass of wood or other material suspended as a pendulum, for measuring the force and velocity of projectiles by means of the arc through which their impact impels it.