abdomen
Americannoun
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Anatomy, Zoology.
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the part of the body of a mammal between the thorax and the pelvis; belly.
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the cavity of this part of the body containing the stomach, intestines, etc.
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(in nonmammalian vertebrates) a region of the body corresponding to, but not coincident with, this part or cavity.
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Entomology. the posterior section of the body of an arthropod, behind the thorax or the cephalothorax.
noun
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the region of the body of a vertebrate that contains the viscera other than the heart and lungs. In mammals it is separated from the thorax by the diaphragm
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the front or surface of this region; belly
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(in arthropods) the posterior part of the body behind the thorax, consisting of up to ten similar segments
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In vertebrates, the portion of the body between the thorax and pelvis, containing the stomach, intestines, liver, and other organs. In mammals, the abdomen is separated from the thorax by the diaphragm.
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In arthropods, the last, most posterior segment of the body.
Other Word Forms
- abdominal adjective
- abdominally adverb
- postabdomen noun
Etymology
Origin of abdomen
1535–45; (< Middle French ) < Latin abdōmen belly
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
A little more than a year ago Shiffrin was recovering from a surgery to repair a puncture in her abdomen after a crash in Vermont.
Doctors opened her abdomen from her breast bone down, looking for more growths.
From Los Angeles Times
But some people can experience jaundice, dark urine, feeling very tired, nausea, vomiting and pain in the abdomen.
From BBC
In most cases, doctors diagnose the disease only after it has already spread widely throughout the abdomen.
From Science Daily
They first administered the drug into the abdomen to affect the entire body, and later injected it directly into the knee joint.
From Science Daily
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.