ab·dom·i·nal

[ab-dom-uh-nl]
adjective
1.
of, in, on, or for the abdomen: abdominal wall; abdominal pains.
noun
2.
Usually, abdominals. Informal. the abdominal muscles.

Origin:
1740–50; < Latin abdōmin-, stem of abdōmen abdomen + -al1

ab·dom·i·nal·ly, adverb
post·ab·dom·i·nal, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2013.
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Collins
World English Dictionary
abdomen (ˈæbdəmən, æbˈdəʊ-) [Click for IPA pronunciation guide]
 
n
1.  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
2.  the front or surface of this region; bellyRelated: coeliac
3.  (in arthropods) the posterior part of the body behind the thorax, consisting of up to ten similar segments
 
Related: coeliac
 
[C16: from Latin; origin obscure]
 
abdominal
 
adj
 
ab'dominally
 
adv

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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00:10
Abdominal is always a great word to know.
So is interrobang. Does it mean:
the offspring of a zebra and a donkey.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
Etymonline
Word Origin & History

abdominal
1550s, from medical L. abdominalis, from abdomen (see abdomen). Abdominals short for "abdominal muscles" attested by 1980; colloquial shortening abs is attested by 1992.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
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. Published by Houghton Mifflin. All rights reserved.
Cite This Source
Example sentences
Anxiety itself can create abdominal discomfort because you have a tendency to
  swallow and trap more air when nervous.
The team surgically implanted the device in the abdominal cavity of two rats.
The pump requires an electric cable, called a driveline, that runs through the
  abdominal wall to a battery pack in a harness.
Once your condition is stable, you will have a physical examination, including
  a detailed abdominal examination.
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