[{"word":"rollbars","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A 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.","synonyms":[],"antonyms":[]},{"definition":"An anti-roll bar.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/roll%20bar","https://en.wiktionary.org/wiki/rollbar","https://en.wiktionary.org/wiki/rollbars"]}]