abdomen






noun

  1. Anatomy, Zoology.
    1. the part of the body of a mammal between the thorax and the pelvis; belly.
    2. the cavity of this part of the body containing the stomach, intestines, etc.
    3. (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.

noun

  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 adjective: coeliac
  3. (in arthropods) the posterior part of the body behind the thorax, consisting of up to ten similar segments
n.

1540s, “belly fat,” from Latin abdomen “belly,” of unknown origin, perhaps from abdere “conceal,” with a sense of “concealment of the viscera,” or else “what is concealed” by proper dress. De Vaan, however, finds this derivation “unfounded.” Purely anatomical sense is from 1610s. Zoological sense of “posterior division of the bodies of arthropods” first recorded 1788.

n.

  1. The part of the body that lies between the chest and the pelvis and encloses the stomach, intestines, liver, spleen, and pancreas.belly venter

  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.

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

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