Universal Joint. A flexible coupling found at the ends of your drive shafts and at the ends of the front axles where they meet the spindle. There is a yoke on each shaft that is connected a four-point center cross.
Another name for a Cardan joint (see CARDAN JOINT).
A flexible coupling in the drive train that allows the driveshafts or axle shafts to operate at different angles and still transmit rotary power.