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abdomen
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8 dictionary results for: Abdomen
Dictionary.com Unabridged (v 1.1) - Cite This Source - Share This
ab·do·men       [ab-duh-muhn, ab-doh-] Pronunciation Key
–noun
1.Anatomy, Zoology.
a.the part of the body of a mammal between the thorax and the pelvis; belly.
b.the cavity of this part of the body containing the stomach, intestines, etc.
c.(in nonmammalian vertebrates) a region of the body corresponding to, but not coincident with, this part or cavity.
2.Entomology. the posterior section of the body of an arthropod, behind the thorax or the cephalothorax.

[Origin: 1535–45; (< MF) < L abdōmen belly]
Dictionary.com Unabridged (v 1.1)
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2006.
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American Heritage Dictionary - Cite This Source - Share This
ab·do·men       (āb'də-mən, āb-dō'mən)  Pronunciation Key 
n.  
  1. The part of the body that lies between the thorax and the pelvis and encloses the stomach, intestines, liver, spleen, and pancreas. Also called belly.
  2. The corresponding region in vertebrates other than mammals.
  3. The posterior segment of the body in arthropods.


[Latin abdōmen, belly; see dhē- in Indo-European roots.]

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The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2006 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Online Etymology Dictionary - Cite This Source - Share This
abdomen 
1541, "belly fat," from L., "belly," originally "lower belly," perhaps from abdere "conceal," with a sense of "concealment of the viscera," or else "what is concealed" by proper dress. Purely anatomical sense is from 1615. Biological sense of "posterior division of the bodies of arthropods" first recorded 1788.

Online Etymology Dictionary, © 2001 Douglas Harper
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WordNet - Cite This Source - Share This
abdomen

noun
1. the region of the body of a vertebrate between the thorax and the pelvis 
2. the cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm [syn: abdominal cavity] 

WordNet® 3.0, © 2006 by Princeton University.
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The American Heritage Science Dictionary - Cite This Source - Share This
abdomen       (āb'də-mən)  Pronunciation Key 
  1. 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.
  2. In arthropods, the last, most posterior segment of the body.

abdominal adjective (āb-dŏm'ə-nəl)

The American Heritage® Science Dictionary
Copyright © 2002 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage New Dictionary of Cultural Literacy, Third Edition - Cite This Source - Share This
abdomen [(ab-duh-muhn, ab-doh-muhn)]

The part of the body between the thorax (chest) and pelvis that encloses the organs of the abdominal cavity; the belly.


The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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American Heritage Stedman's Medical Dictionary - Cite This Source - Share This

abdomen ab·do·men (āb'də-mən, āb-dō'mən)
n.
The part of the body that lies between the chest and the pelvis and encloses the stomach, intestines, liver, spleen, and pancreas. Also called belly, venter.

ab·dom'i·nal (āb-dŏm'ə-nəl) adj.
ab·dom'i·nal·ly adv.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Webster's Revised Unabridged Dictionary - Cite This Source - Share This

Abdomen

Ab*do"men\, n. [L. abdomen (a word of uncertain etymol.): cf. F. abdomen.]

1. (Anat.) The belly, or that part of the body between the thorax and the pelvis. Also, the cavity of the belly, which is lined by the peritoneum, and contains the stomach, bowels, and other viscera. In man, often restricted to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity.

2. (Zo["o]l.) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.

Webster's Revised Unabridged Dictionary, © 1996, 1998 MICRA, Inc.
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