- Pertaining to the aorta, the largest artery in the body. "Aortic" is in common usage as, for example, in an abdominal aortic aneurysm. The term "aortal" has the same meaning but is rarely encountered (except in The New York Times crossword).
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* * *aor·tic ā-'ȯrt-ik also aor·tal -'ȯrt-əl adj of, relating to, or affecting an aorta <the \aortic media> <an \aortic aneurysm>
Medical dictionary. 2011.