abdomen Hear it!

abdomen definition

ab·do·men (ab′də mən; ab dō′mən, əb-)

noun

  1. in vertebrates
    1. the part of the body cavity from the thorax to the pelvic girdle, containing the digestive organs, etc.; belly: in mammals, the diaphragm separates this from the thorax
    2. the region of the trunk between the chest and pelvis
  2. in arthropods, the posterior body segment containing the reproductive organs, etc.

Etymology: L

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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