A triangular red frame, made of reflective material, carried by motorists to be set up on the road as a danger signal in case of a breakdown or other hazard.
More example sentences
- These vary from country to country but generally include headlamp converters, spare bulbs, a nationality sticker (unless the car is fitted with GB Euro number plates) and a warning triangle.
- Items which get stolen from council vehicles include jacks, rims, tyres, seats, engine parts, steering wheels, number plates, petrol caps and warning triangles.
- The European Travel Kit contains everything you'll need, including a warning triangle, headlamp deflectors, GB sticker, bulbs and first aid essentials.