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A usually metal or rubber bar attached to either end of a motor vehicle, such as a truck or car, to absorb impact in a collision.
(noun)
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A protective device for absorbing shocks or impeding contact.
(noun)
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A drinking vessel filled to the brim.
(noun)
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Something extraordinarily large.
(noun)
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Extraordinarily abundant or full: a bumper crop of corn.
(adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.