The large trunk artery that carries blood from the left ventricle of the heart to branch arteries WordNet 3.0 & Open English WordNet

The aorta is the main and largest artery in the human body, originating from the left ventricle of the heart, branching upwards immediately after, and extending down to the abdomen, where it splits at the aortic bifurcation into two smaller arteries. Wikipedia

Largest artery in the body Wikidata

The main trunk of the arterial system, conveying blood from the left ventricle of the heart to all of the body except the lungs. OmegaWiki

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. Wiktionary

Great artery. Wiktionary (translation)