Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio.
- any articulation, or point of movement, between two bones forming a knuckle
- a hinged joint formed by a knuckle on one part that fits between two knuckles on another part
Used by arrangement with John Wiley & Sons, Inc.
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A hinged joint in which a pin fastens the ends of two rods, one of which has an eye that fits between the two perforated projections of the other.