aor·​ta | \ ā-ˈȯr-tə How to pronounce aorta (audio) \
plural aortas or aortae\ -​tē How to pronounce aortae (audio) \

Definition of aorta

: the great arterial trunk that carries blood from the heart to be distributed by branch arteries through the body — see heart illustration

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Other Words from aorta

aortic \ -​ˈȯr-​tik How to pronounce aortic (audio) \ adjective

Examples of aorta in a Sentence

Recent Examples on the Web

The Delaware Aqueduct is to the city what the aorta is to our circulatory systems: a necessary channel to keep everything running. Washington Post, "Fixing a massive NYC plumbing leak, 55 stories underground," 20 June 2018 Belcher’s surgeons decided on the best way to proceed thanks to a 3-D model of her aorta. Erin Blakemore, Washington Post, "Surgeons are using 3-D-printed organs to figure out the best way to operate," 11 June 2018 When TriHealth doctors found a growing bulge in Fieglein’s abdominal aorta in 2015, Fieglein’s lifestyle and his life were put in jeopardy. Trihealth Dailyhealthwire,, "Gut Check: TriHealth vascular surgeons lead the way with minimally invasive abdominal aortic aneurysm surgery," 19 Feb. 2018 The cause was dementia and a torn aorta, said a daughter, Tamera Van Ness. Washington Post, "The story must be told.," 3 Mar. 2018 That could have snapped the girl's lower vertebrae and punctured her aorta, the medical examiner said, according to Ashendorf. Michael Gordon, charlotteobserver, "The mom's boyfriend said her son might grow up to be gay. Now he's accused of his murder.," 19 June 2018 The twins were conjoined at their abdomen and shared organs such as the stomach and part of the aorta, a crucial artery that runs from the heart down to the abdomen. Rory Smith, Cnn Anna Cardovillis, CNN, "Tanzanian conjoined twins die at age 21," 4 June 2018 Thicke died of a ruptured aorta three months later. Hal Boedeker,, "'Hollywood Medium' takes 'Life Lessons' to stage," 20 June 2018 In this condition, the large artery leaving the heart (aorta) develops a weak area that bulges and may burst. Joe Graedon, M.s., And Teresa Graedon, Houston Chronicle, "Natural approaches may ease white fingers of Raynaud’s," 17 June 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'aorta.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of aorta

1543, in the meaning defined above

History and Etymology for aorta

New Latin, from Greek aortē, from aeirein to lift

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Dictionary Entries near aorta





aortic arch



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Time Traveler for aorta

The first known use of aorta was in 1543

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English Language Learners Definition of aorta

: the large artery that brings blood from the heart to the rest of the body


aor·​ta | \ ā-ˈȯr-tə How to pronounce aorta (audio) \

Kids Definition of aorta

: the main artery that carries blood from the heart for distribution to all parts of the body


aor·​ta | \ ā-ˈȯrt-ə How to pronounce aorta (audio) \
plural aortas or aortae\ -​ē How to pronounce aortae (audio) \

Medical Definition of aorta

: the large arterial trunk that carries blood from the heart to be distributed by branch arteries through the body

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More from Merriam-Webster on aorta

Spanish Central: Translation of aorta

Nglish: Translation of aorta for Spanish Speakers

Britannica English: Translation of aorta for Arabic Speakers Encyclopedia article about aorta

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