Dictionary
Words, grammatical forms and meanings linked to the ontology.
roll bar en · NOUN
Meanings
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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.
Once the two left wheels departed the surface, Travis knew he was in for trouble. Since there wasn't a roll bar on the SUV, the roof was probably going to collapse on his head when it contacted the asphalt.
2002, Bobby Alvarez, Ghost Runner on Second, page 163:
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An anti-roll bar.
The roll bar is a metal bar linking one side of the suspension to the other. It limits how much the car rolls during cornering.
2004, Jonathan Noble, Mark Hughes, Formula One Racing For Dummies, page 65:
Forms
Relateds
roll cage