noun
vertical bars attached to a bumper to prevent locking bumpers with another vehicle
• Hypernyms: ↑mechanical device
• Part Holonyms: ↑bumper
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noun : either of two vertical shoes attached to the bumper of an automobile to prevent the locking of bumpers with other cars and to facilitate pushing
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either of two vertical crosspieces attached to a bumper of a motor vehicle to prevent it from locking bumpers with another vehicle.
Useful english dictionary. 2012.