BUMPER

(CAR PART) [noun] [C] - a horizontal strip along the lower front and lower back part of a motor vehicle to help protect it from accidentsSee picture: Car exteriorBy eight o'clock the traffic was bumper to bumper (= there were so many cars and they were so close that they almost touched).A bumper car/(UK and ANZ also) dodgem is a small electric car driven for entertainment in a special enclosed space where the aim is to try to hit or avoid other similar cars.