1

knuckle

play
noun knuck·le \ˈnə-kəl\

Definition of knuckle

  1. 1a :  the rounded prominence formed by the ends of the two adjacent bones at a joint —used especially of those at the joints of the fingersb :  the joint of a knuckle

  2. 2 :  a cut of meat consisting of the tarsal or carpal joint with the adjoining flesh

  3. 3 :  something resembling a knuckle: such asa (1) :  one of the joining parts of a hinge through which a pin or rivet passes (2) :  knuckle jointb :  the meeting of two surfaces at a sharp angle (as in a roof)c :  a pivotal point

  4. 4 knuckles plural :  a set of metal finger rings or guards attached to a transverse piece and worn over the front of the doubled fist for use as a weapon —called also brass knuckles

knuckled

play \ˈnə-kəld\ adjective

Examples of knuckle in a sentence

  1. She rapped her knuckles on the table.

Origin and Etymology of knuckle

Middle English knokel; akin to Middle High German knöchel knuckle


First Known Use: 14th century


2

knuckle

verb knuck·le

Definition of knuckle

knuckled

;

knuckling

play \ˈnə-k(ə-)liŋ\
  1. intransitive verb
  2. :  to place the knuckles on the ground in shooting a marble

  3. transitive verb
  4. :  to press or rub with the knuckles

1740

First Known Use of knuckle

1740



KNUCKLE Defined for English Language Learners

1

knuckle

play
noun knuck·le \ˈnə-kəl\

Definition of knuckle for English Language Learners

  • : any one of the thick, bony parts (called joints) in your fingers

  • : a piece of meat that includes a joint from the leg of an animal


KNUCKLE Defined for Kids

knuckle

play
noun knuck·le \ˈnə-kəl\

Definition of knuckle for Students

  1. :  the rounded lump formed by the ends of two bones (as of a finger) where they come together in a joint


Medical Dictionary

knuckle

play
noun knuck·le \ˈnək-əl\

Medical Definition of knuckle

  1. 1a:  the rounded prominence formed by the ends of the two adjacent bones at a joint—used especially of those at the joints of the fingersb:  the joint of a knuckle

  2. 2:  a sharply flexed loop of intestines incarcerated in a hernia



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