a ballistic pendulum consisting of a suspended gun; the velocity of a projectile in the bore of a gun can be measured by the recoil when the gun is discharged
an apparatus consisting of an object mounted so that it swings freely under the influence of gravity
a weapon that discharges a missile at high velocity (especially from a metal tube or barrel)
large but transportable armament
a hand-operated pump that resembles a revolver; forces grease into parts of a machine
a professional killer who uses a gun
a pedal that controls the throttle valve
a person who shoots a gun (as regards their ability)
