noun🔗ShareA strong U-shaped bar fastened to the frame of a vehicle, such as an off-road vehicle or a race car to protect the driver and passengers from being crushed in the event that the vehicle rolls over."The off-road jeep had a strong rollbar to protect the driver if it flipped over on the rocky terrain. "vehiclepartmachinetechnicalChat with AIVocabulary GamePractice Reading
noun🔗ShareAn anti-roll bar."The sports car had a strong rollbar behind the seats for safety during races. "vehicletechnicalmachineChat with AIVocabulary GamePractice Reading
