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.
Nearly half of the caesaereans - when the baby is delivered by surgeons cutting into the mother's abdomen and womb - were planned in advance.
From BBC
The baby had grown inside Lopez’s abdomen and pushed the large cyst forward.
From Los Angeles Times
Visceral fat refers to the fat stored deep in the abdomen around key internal organs.
From Science Daily
They identified whether the pain occurred in the head, face, neck/shoulder, back, stomach/abdomen, hip, knee or across the entire body.
From Science Daily
The team also looked at a body fat data set from 252 adults that included weight, abdomen size and other body measurements.
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.