n. A personal weapon that uses explosive powder to propel a metal (usually lead) projectile.
the GNU version of the Collaborative International Dictionary of English
n. A gun, pistol, or any weapon from which a shot is discharged by the force of an explosive substance, as gunpowder.
The Century Dictionary and Cyclopedia
n. A weapon from which a missile, such as a bullet, cannon-ball, shell, etc., is expelled by the combustion of gunpowder or other similar explosive. Pistols, muskets, cannon, etc., are firearms.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a portable gun
Word Usage
"Hand held bows are archery equipment, a firearm is a gun, a crossbow is somewhere in between,,, ,although the ATA and even the NRA is trying to convince people otherwise."