noun, plural a·or·tas, a·or·tae /-ti/ Show Spelled[-tee] Show IPA. Anatomy. the main trunk of the arterial system, conveying blood from the left ventricle of the heart to all of the body except the lungs.
Origin:
1570–80; < Medieval Latin < Greek aortḗ the great artery, literally, something hung, carried; akin to aeírein to lift, carry
Related formsa·or·tic, a·or·tal, adjective
post·a·or·tic, adjective
pre·a·or·tic, adjective