ABDOMEN

abdomen, venter, stomach, belly

(noun) the region of the body of a vertebrate between the thorax and the pelvis

Source: WordNet® 3.1

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Etymology

Noun

abdomen (plural abdomens or abdomina)

(obsolete) The fat surrounding the belly. [mid 16th c. – late 17th c.]

(anatomy) The belly, or that part of the body between the thorax and the pelvis, not including the back; or in some lower vertebrates, the portion between the cardiac and caudal regions. [from early 17th c.]

Synonyms: belly, tummy, stomach (informal), Thesaurus:belly

(anatomy) The cavity of the belly, which is lined by the peritoneum, and contains the viscera; often restricted in humans to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity. [from early 17th c.]

(zoology, entomology) The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda. [from late 18th c.]

Source: Wiktionary

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

1. (Anat.)

Definition: 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. (Zoöl.)

Definition: The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.

Source: Webster’s Unabridged Dictionary 1913 Edition

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