Definition of roll bar
: an overhead metal bar on an automobile that is designed to protect the occupant in case of a rollover
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Recent Examples of roll bar from the Web
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In addition, video of the crash indicates that the then-30-year-old ragtop was without roll bars, shoulder belts or head restraints.
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Using rolling pin, roll bar out to 1⁄4-inch thickness.
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And the funky four-door 110, with its external roll bars, was in North America for a single model year, 1993, as a limited edition; 509 were sold in the U.S. and 23 in Canada.
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My Abarth had a Gun Metal roll bar cover and Matte Gray interior accents.
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And although the vehicles are largely production representative and GM said the roll bars the company installs are not designed to improve chassis stiffness, the harness certainly improves lap times to some extent.
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The only nonstock deviations conform to a GM edict that require a roll bar, racing harness, helmet, and HANS device during any high-speed testing by anyone anywhere.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'roll bar.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use of roll bar
1948
ROLL BAR Defined for English Language Learners
roll bar
Definition of roll bar for English Language Learners
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: a metal bar in the roof of a car or other vehicle that is designed to protect riders if the vehicle rolls over
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