collision noun definition in Motoring problems and accidents topic from the Oxford Advanced Learner's Dictionary

collision

 noun: Motoring problems and accidents topic
an accident in which two vehicles or people crash into each other a collision between two trains Stewart was injured in a collision with another player. a head-on collision (= between two vehicles that are moving towards each other) a mid-air collision (= between two aircraft while they are flying) His car was in collision with a motorbike. Wind and ice were blamed for the collision involving up to 12 vehicles.