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1. a horizontal metal bar attached to the front or rear end of a car, lorry, etc., to protect against damage from impact
2. Cricket a ball bowled so that it bounces high on pitching; bouncer
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
A metal bar attached to one or both ends of a powered transportation vehicle, especially an automobile, to prevent damage to the body.
In a drilling operation, the supporting stay between the main foundation sill and the engine block.
In drilling, a fishing tool for loosening jammed cable tools.
A vibrating machine for ramming and consolidating sand into a mold.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
1. A device (other than an oil buffer or spring buffer) designed to stop an elevator car or counterweight from descending beyond its normal limit of travel; the car strikes the bumper, which absorbs the impact.
2. On a doorframe, a rubber silencer to reduce noise caused by the slamming of a door.
rubber silencer, bumper
A resilient part, such as a rubber button, attached to the stop on a doorframe to reduce noise caused by slamming of the door.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.