Definition of knuckle noun from the Oxford Advanced American Dictionary

     

    knuckle

     noun
    noun
    NAmE//ˈnʌkl//
     
     
    jump to other results
  1. 1[countable] any of the joints in the fingers, especially those connecting the fingers to the rest of the hand
  2. 2(also hock) [uncountable, countable] a piece of meat from the lower part of an animal's leg, especially a pig knuckle of pork
  3. Idioms
    (give somebody/get) a rap on/over/across the knuckles(informal)
     
    jump to other results
    (to give somebody/receive) gentle criticism for something We got a rap over the knuckles for being late.
    rap somebody on/over the knuckles,rap somebody's knuckles
     
    jump to other results
    to criticize someone gently for something The company was rapped over the knuckles for broadcasting the interview.
See the Oxford Advanced Learner's Dictionary entry: knuckle