A measurement of size used for various things. The smaller the gauge the larger the object is. In the case of Shotgun bore size, 12 gauge is essentially .729 caliber (or fractions of an inch) in diameter.
Synonyms for 12 gauge
On this page, you will find 30 slang terms related to 12 gauge. Some of the top words include: gauge, 9 mm, testicular mass, Survey, 12 gauge, and 25 more.