noun

gun

A weapon that fires projectiles, or a tool shaped or operated similarly.

The guard keeps his gun locked safely in a cabinet.

Etymology

Gun is generally connected with Gunilda, a woman’s name used as a name for a weapon. The common noun broadened from weapons to similarly shaped or operated tools.

More examples

  • She wears ear protection when firing a gun at the range.
  • He uses a nail gun to attach the boards.
  • A glue gun makes it easy to attach the ribbon.

Forms

gun · guns

gunner noun — A person who operates a mounted gun.

Similar words

firearm
Specifically a weapon fired using gunpowder, not a gun-shaped tool.
pistol
Names a small gun designed to be held in one hand.