A shotgun with a bore corresponding to the diameter of a round bullet of which twelve constitute a pound in weight.
十二口径（猎枪）（指口径与一磅十二颗的圆子弹直径相匹配的猎枪）
as modifierthey found a twelve-bore shotgun in the basement
North American term twelve-gauge
Example sentencesExamples
The severe gale blows the individual raindrops horizontally at you - with what feels like the force of a twelve-bore shotgun.
And if I catch any of them trespassing on my land, or looking at my begonias a bit funny, I'm sending Nichols down with the twelve-bore.
Walters was sentenced to life for murder and handed an eight-year concurrent jail term for possessing a twelve-bore shotgun.
If you possess any piece of tweed clothing, a handlebar moustache or a manservant, you may proceed to blast the bird in question with a twelve-bore shotgun.
Definition of twelve-bore in US English:
twelve-bore
nounˈtwelvˌbôr
British
A shotgun with a gauge corresponding to the diameter of a round bullet of which twelve constitute a pound in weight; a twelve-gauge.
十二口径（猎枪）（指口径与一磅十二颗的圆子弹直径相匹配的猎枪）
as modifierthey found a twelve-bore shotgun in the basement
Example sentencesExamples
The severe gale blows the individual raindrops horizontally at you - with what feels like the force of a twelve-bore shotgun.
If you possess any piece of tweed clothing, a handlebar moustache or a manservant, you may proceed to blast the bird in question with a twelve-bore shotgun.
Walters was sentenced to life for murder and handed an eight-year concurrent jail term for possessing a twelve-bore shotgun.
And if I catch any of them trespassing on my land, or looking at my begonias a bit funny, I'm sending Nichols down with the twelve-bore.