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The alimentary canal or a portion thereof, especially the intestine or stomach.
(noun)
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The embryonic digestive tube, consisting of the foregut, the midgut, and the hindgut.
(noun)
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The bowels; entrails; viscera.
(noun)
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Slang Innermost emotional or visceral response: She felt in her gut that he was guilty.
(noun)
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Slang The essential components or inner working parts: "The best part of a good car . . . is its guts” ( Leigh Allison Wilson).
(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.