1 a weapon that shoots bullets, for example a pistol or a rifle. You load a gun with ammunition and pull the trigger to use it
draw a gun (=take it out, ready to use):
He spun around at the noise, drawing his gun.
pull a gun on someone (=take out a gun and point it at someone):
Suddenly the officer pulled a gun on them.
fire a gun:
She was learning how to fire a gun.
Synonyms and related words