cannon
A cannon is any mounted, tubular piece of artillery with 20 mm or more in caliber, that uses gunpowder or other usually explosive-based propellant to launch a projectile.
See also
* Energy cannon** Beam cannon
* Water cannon
Aliases: none
A cannon is any mounted, tubular piece of artillery with 20 mm or more in caliber, that uses gunpowder or other usually explosive-based propellant to launch a projectile.