plural noun \ˈnəks\

Definition of knucks

  1. 1 singular in construction :  a game of marbles at the end of which the winner has the option of shooting a marble at the opponent's knuckles held on the ground

  2. 2 singular or plural in construction :  brass knuckles

Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Join MWU now and get access to America’s largest dictionary, with:

  • 300,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Origin and Etymology of knucks

alteration of knuckles, plural of 1knuckle

Seen and Heard

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


to help become familiar with something

Get Word of the Day daily email!