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Etymology from Wiktionary, CC BY-SA 4.0.
subgauge
sub·gaugeToday it means: Smaller in bore diameter than the standard gauge specified; most often describing a shotgun with a bore smaller than 12-gauge. Full definition →
Today it means: Smaller in bore diameter than the standard gauge specified; most often describing a shotgun with a bore smaller than 12-gauge. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.