from the GNU version of the Collaborative International Dictionary of English
- adj. 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.
- n. See under Ballistic.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a physical pendulum consisting of a large mass suspended from a rod; when it is struck by a projectile its displacement is used to measure the projectile's velocity
Sorry, no etymologies found.