Dictionary

roll bar

noun

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

Full Definition of ROLL BAR

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

First Known Use of ROLL BAR

circa 1952

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July 04, 2015
stringent Hear it
rigorous, strict, or severe
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