Definition of "knuckle-duster" []

• Slang Brass knuckles. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "I see beastly flashbulbs of many thingummies moving in the landfall without the slightest knuckle-duster of the landfall I see all the many thingummies going about the landfall."
• "DuPont moved and fought like a professional boxer – and on each fist he had a savage knuckle-duster with spikes on the outer edge."
• "I slipped my revolver into my right-hand pocket and a knuckle-duster over my left fist, where it was ready and yet would not stop me from being able to work my flashlight."