
In an automobile, ball joints are spherical bearings that connect the control arms to the steering knuckles. They are used on virtually every automobile made and work similar to the ball and socket design of the human hip joint. A ball joint consists of a bearing stud and socket enclosed in a casing; all these parts are made of steel. The bearing ...
Found on
http://en.wikipedia.org/wiki/Ball_joint

A flexible joint consisting of a ball in a socket, used primarily in front suspensions because it can accommodate a wide range of angular motion.
Found on
http://www.caranddriver.com/reviews/glossary-of-terms-info

A flexible joint consisting of a ball within a socket. Ball joints act as pivots which allow turning of the front wheels and compensate for changes in the wheel and steering geometries that occur while driving.
Found on
https://www.encyclo.co.uk/local/22334

A dynamic joint of ball-and-socket configuration used in the steering and suspension systems.
Found on
https://www.encyclo.co.uk/local/22335
No exact match found.