Definition for roll bar - Oxford Dictionaries Online (World English)

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	roll bar (roll bar) noun a metal bar running up the sides and across the top of a vehicle, especially one used in motor sport, strengthening its frame and protecting the occupants if the vehicle overturns.		Search results in the dictionary anti-roll bar More results » More words in this category autocross blue flag Brands Hatch Brooklands cockpit F 2 kart pole position power slide racetrack raceway right-hander solo speedway spin-out yellow flag Nearby Words roko Roland role role model role playing role reversal role-playing game Rolfing roll roll bar roll cage roll call roll cast roll feed roll film roll-in roll-out roll-neck roll-off roll-on