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roll bar

noun

Definition of roll bar

  1. :  an overhead metal bar on an automobile that is designed to protect the occupant in case of a rollover

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First Known Use of roll bar

1948

ROLL BAR Defined for English Language Learners

roll bar

noun

Definition of roll bar for English Language Learners

  • : a metal bar in the roof of a car or other vehicle that is designed to protect riders if the vehicle rolls over

Learn More about roll bar

  1. See words that rhyme with roll bar

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