ball joint


Cars & Driving

  • noun a mechanical coupling in which a ball on the end of one part moves freely within a recessed spherical socket in the end of another, often used in suspension and steering linkages


  • A flexible mechanical joint that allows the axis of one part to be set at an angle to the other by virtue of the design of the two components. One possesses a fixed spherical shell to accommodate the ball-shaped end of the other.