ball-and-socket joint Hear it!

ball-and-socket joint definition

ball·-and-socket joint (bôl′ən säk′it)

a joint, as that of the hip or shoulder, formed by a ball in a socket, allowing limited movement in any direction

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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