noun
: a joint in which a ball moves within a socket so as to admit of rotary motion in every direction within certain limits (as the hip joint) — called also ball joint
[s]ballsock.jpg[/s]
noun
: a joint in which a ball moves within a socket so as to admit of rotary motion in every direction within certain limits (as the hip joint) — called also ball joint
[s]ballsock.jpg[/s]
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012