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Mathematics An amount obtained as a result of adding numbers.
(noun)
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Mathematics An arithmetic problem: a child good at sums.
(noun)
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The whole amount, quantity, or number; an aggregate: the sum of the team's combined experience.
(noun)
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An amount of money: paid an enormous sum.
(noun)
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A summary: my view of the world, in sum.
(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.