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American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Mechanical Engineering) another name for ball-and-socket joint
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
1. Also called enarthrosis. an anatomical joint in which the rounded end of one bone fits into a cuplike end of the other bone, as at the hip or shoulder.
2. Also called ball joint. a similar mechanical joint used to connect rods, pipes, etc.
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