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Definition of Aorta

Babylon English

main artery of the body
Aorta Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
The great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
hEnglish - advanced version

\a*or"ta\ (&?;), n. [nl., fr. gr. &?;, fr. &?; to lift, heave.] (anat.) the great artery which carries the blood from the heart to all parts of the body except the lungs; the main trunk of the arterial system.
note: in fishes and the early stages of all higher vertebrates the aorta divides near its origin into several branches (the aortic arches) which pass in pairs round the œsophagus and unite to form the systemic aorta. one or more pairs of these arches persist in amphibia and reptiles, but only one arch in birds and mammals, this being on the right side in the former, and on the left in the latter.

  similar words(1) 

 thoracic aorta 
Australian Slang
composite but non-existant Authority which is held responsible for practically everything unpleasant in the Strine way of life; personification of the benevolently paternal welfare State to which all Strines - being fiercly independant and individualistic - appeal for help and comfort in moments of frustration and anguish
WordNet 2.0

1. the large trunk artery that carries blood from the left ventricle of the heart to branch arteries
(hypernym) artery, arteria, arterial blood vessel
(hyponym) ascending aorta
Aorta Definition from Science & Technology Dictionaries & Glossaries
Biological Control
The front-most, non-pulsating portion of the dorsal blood vessel of an insect.
Catherine R. Weeden
Aorta Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
The aorta is the main artery in the human body, originating from the left ventricle of the heart and extending down to the abdomen, where it splits into two smaller arteries (the common iliac arteries). The aorta distributes oxygenated blood to all parts of the body through the systemic circulation.

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Aorta Definition from Medicine Dictionaries & Glossaries
NCI Dictionary of Cancer Terms
The largest artery in the body. It carries oxygen-rich blood away from the heart to vessels that reach the rest of the body. 
A Service of the National Cancer Institute.
The TCRC Glossary for Testicular Cancer and Other Related Conditons
The large artery originating from the left ventricle of the heart. Its branches carry blood to all parts of the body. The lymph nodes most often affected by testicular cancer are located around the aorta and near the kidneys in the retroperitoneum.
Aging Hearts and Arteries Glossary
The largest artery in the body. It conducts blood away from the heart, then branches into many smaller arteries that take blood to the rest of the body. The diameter of the aorta enlarges with age and its walls become stiffer.
Source: National Institute on Aging
Dictionary of Medicine (Shahram)
The great (main) artery from the left ventricle of the heart.
Lung Diseases Glossary
Blood vessel that delivers oxygen-rich blood from the left ventricle to the body; it is the largest blood vessel in the body.
Context: Pulmonary Arterial Hypertension
Sources: DHHS, NIH and NHLBI