knuckle joint Hear it!

knuckle joint definition

knuckle joint

  1. any articulation, or point of movement, between two bones forming a knuckle
  2. a hinged joint formed by a knuckle on one part that fits between two knuckles on another part

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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