Also found in: Thesaurus, Acronyms, Encyclopedia, Wikipedia.
(Firearms, Gunnery, Ordnance & Artillery) the velocity of a projectile as it leaves a firearm's muzzle
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
The velocity of a projectile with respect to the muzzle at the instant the projectile leaves the weapon.
Dictionary of Military and Associated Terms. US Department of Defense 2005.