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knuckle joint

noun

  1. a joint forming a knuckle.
  2. Machinery. a joint between two parts allowing movement in one plane only.


knuckle joint

noun

  1. any of the joints of the fingers
  2. mechanical engineering a hinged joint between two rods, often a ball and socket joint
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of knuckle joint1

First recorded in 1860–65

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