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A large farm building used for storing farm products and sheltering livestock.
(noun)
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A large shed for the housing of vehicles, such as railroad cars.
(noun)
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A particularly large, typically bare building: lived in a barn of a country house.
(noun)
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Physics A unit of area equal to 10-24 square centimeters, used to measure cross sections in nuclear physics.
(noun)
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.