Knuckle meaning

nŭkəl
To press, rub, or hit with the knuckles.
verb
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A sharp angle formed by the meeting of two surfaces, especially two ship's timbers.
noun
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The definition of knuckle is a joint at the hand or toe that sticks out when you make a fist.

The joint in the middle of your finger that sticks forward when you make a fist is an example of the knuckle.

noun
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Brass knuckles.
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A cut of meat centering on the carpal or tarsal joint, as of a pig.
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The part of a hinge through which the pin passes.
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To shoot (a marble) with the thumb over the bent forefinger.
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The knee or hock joint and nearby parts of a pig or other animal, used as food.
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Something resembling a knuckle, as any of the projecting, cylindrical parts through which a pin is passed to form a hinge.
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(archit.) The central joint in a gambrel or curb roof.
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To strike, press, or touch with the knuckles.
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The prominence of the dorsal aspect of a joint of a finger, especially of one of the joints connecting the fingers to the hand.
noun
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A rounded protuberance formed by the bones in a joint.
noun
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Any of the joints between the phalanges of the fingers.
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(by extension) A mechanical joint.
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A cut of meat.
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(sports, billiards, snooker, pool) The curved part of the cushion at the entrance to the pockets on a cue sports table.
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The kneejoint of a quadruped, especially of a calf; formerly used of the kneejoint of a human being.
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(shipbuilding) A convex portion of a vessel's figure where a sudden change of shape occurs, as in a canal boat, where a nearly vertical side joins a nearly flat bottom.
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A contrivance, usually of brass or iron, and furnished with points, worn to protect the hand, to add force to a blow, and to disfigure the person struck; a knuckle duster.

Brass knuckles.

noun
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To apply pressure, or rub or massage with one's knuckles.

He knuckled the sleep from his eyes.

verb
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knuckle down
  • to rest the knuckles on the ground in shooting a marble
  • to work energetically or seriously
idiom
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knuckle under
  • to yield; give in
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Idioms and Phrasal Verbs

Origin of knuckle

  • Middle English knokel

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle English knokel (“finger joint”), ultimately from a diminutive of Proto-Germanic root *knuck- "bone". Cognate with Dutch knokkel (“knuckle”).

    From Wiktionary