Definition of pendulum gun
: a mechanism for obtaining certain ballistic data for given shotshell loadings that consists of a tube fitted with a breech and a firing mechanism and moving freely on its four supporting wires and that by means of attached and coordinated instruments determines velocity, time required for shot charge to pass through barrel, chamber pressure, energy of recoil, and shot pattern
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of pendulum gun
so called from its motion when fired
Seen and Heard
What made you want to look up pendulum gun? Please tell us where you read or heard it (including the quote, if possible).