Definition of roll bar in English:
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.
- Start by contacting the manufacturer to find an authorized dealer in your area who can equip your tractor with a roll bar and a seat belt.
- Copvertibles are more prone to flexing than are hardtops, so they will benefit the most from a well-built roll bar or cage.
- The air-conditioned and heated cabin is fitted with a high resistance roll bar, a two-piece tiltable windscreen and a canvas roof with a dismountable frame.
- There's a roll bar to offer some protection to the top of the cylinder head and a hefty foam bumper at the front of the car.
- The 43 lb buggies are also fitted with roll bars to protect the pilot in a crash or from having his neck lacerated by the kite cable.
Definition of roll bar in US English:
roll bar
nounˈroʊl ˌbɑrˈrōl ˌbär
A metal bar running up the sides and across the top of a vehicle, especially one used in motor sports, strengthening its frame and protecting the occupants should the vehicle overturn.
- There's a roll bar to offer some protection to the top of the cylinder head and a hefty foam bumper at the front of the car.
- Start by contacting the manufacturer to find an authorized dealer in your area who can equip your tractor with a roll bar and a seat belt.
- The air-conditioned and heated cabin is fitted with a high resistance roll bar, a two-piece tiltable windscreen and a canvas roof with a dismountable frame.
- The 43 lb buggies are also fitted with roll bars to protect the pilot in a crash or from having his neck lacerated by the kite cable.
- Copvertibles are more prone to flexing than are hardtops, so they will benefit the most from a well-built roll bar or cage.