Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

brass knuckles

noun plural but singular or plural in construction

Definition of brass knuckles

  1. :  knuckle 4


First Known Use of brass knuckles


Seen and Heard

What made you want to look up brass knuckles? Please tell us where you read or heard it (including the quote, if possible).