A shotgun with a gauge corresponding to the diameter of a round bullet of which twelve constitute a pound in weight.
- ‘There were four guards holding twelve-gauge shotguns, two at the giant bronze double doors, and two flanking him.’
- ‘But what if ol’ Kite wakes up and pulls out the twelve-gauge.’
- ‘The Apache picks up a twelve-gauge, double-barrel, shotgun.’
- ‘Many of the new weapons, like rubber bullets and twelve-gauge beanbag shotguns, seem legal and relatively innocuous by international standards.’
- ‘What she carried was revealed to be a sawed-off shotgun, a twelve-gauge side-by-side.’
- ‘It was a classic twelve-gauge, from the look of it.’