From Longman Dictionary of Contemporary Englishdouble-barrelledˌdouble-ˈbarrelled British English, double-barreled American English 1 PMWa double-barrelled gun has two places where the bullets come out2 British EnglishNAME OF A PERSON a double-barrelled family name has two parts3 American EnglishLOT/LARGE NUMBER OR AMOUNT very strong or using a lot of force a double-barreled attack
