roll bar Hear it!

roll bar definition

☆ roll bar

a strong steel bar that passes over and across the width of the interior compartment in some automotive vehicles so as to reduce injury to the driver and passengers if the vehicle rolls over: used esp. in racing

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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