Definition of aorta noun from the Oxford Advanced Learner's Dictionary



BrE BrE//eɪˈɔːtə//
; NAmE NAmE//eɪˈɔːrtə//
(anatomy) Internal anatomy
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the main artery that carries blood from the heart to the rest of the body once it has passed through the lungs See related entries: Internal anatomy Word Originmid 16th cent.: from Greek aortē (used in the plural by Hippocrates (c. 460-377 BC, the Greek physician, regarded as the father of medicine), for the branches of the windpipe, and by Aristotle (384-322 BC, the philosopher and scientist), for the great artery), from aeirein ‘raise’.
See the Oxford Advanced American Dictionary entry: aorta