Wiktionary
double-barrelled shotgun
alt. A type of shot-firing gun with two long, parallel barrels, allowing the user to fire twice in quick succession. n. A type of shot-firing gun with two long, parallel barrels, allowing the user to fire twice in quick succession.
Usage examples of "double-barrelled shotgun".
He became aware that a double-barrelled shotgun was now poking out of the window which had just slid down.
Just a double-barrelled shotgun, but when she fires it, the report is as loud as a detonating backpack missile.