knuckle-duster

[ nuhk-uh l-duhs-ter ]
/ ˈnʌk əlˌdʌs tər /

noun

Origin of knuckle-duster

An Americanism dating back to 1855–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for knuckle-duster

knuckle-duster


noun

(often plural) a metal bar fitted over the knuckles, often with holes for the fingers, for inflicting injury by a blow with the fist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012