sep·​tal ˈsep-tᵊl How to pronounce septal (audio)
: of or relating to a septum

Example Sentences

Recent Examples on the Web While the dollar amounts were modest, those who donated more ($80 versus $20) showed a small but significant bump of activity in the brain’s septal region, an area strongly associated with social affiliation and attachment. Kristin Ohlson, Discover Magazine, 15 Sep. 2011 But Decker was born with congenital heart defects — specifically, an atrioventricular septal defect and pulmonary stenosis. David Begnaud, CBS News, 1 Sep. 2022 And the ventricular septal defect is a hole in the heart. Darcel Rockett,, 8 Feb. 2022 One of the pivotal moments came shortly after his birth: doctors telling Nik and his wife, Patty, that Chris had Down syndrome and ventricular septal defect — a hole in his heart. Christopher Brito, CBS News, 8 Oct. 2021 Some even had atrial septal defects—holes in their hearts. Craig Pittman, Scientific American, 1 Sep. 2021 The catheters are used to enlarge an existing atrial septal defect as a treatment option for patients with cyanotic congenital heart defects. Paul Walsh, Star Tribune, 4 Nov. 2020 Wasfy described seeing ventricular septal defects in the intensive care unit this summer, which can occur when a heart attack goes untreated, resulting in a hole in the heart. Lauren Mascarenhas, CNN, 26 Oct. 2020 He was also diagnosed with pulmonary valve stenosis, multiple ventricular septal defects and other genetic anomalies. Hannah Kirby, Milwaukee Journal Sentinel, 11 Aug. 2020 See More

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

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of septal was in 1824

Dictionary Entries Near septal

Cite this Entry

“Septal.” Dictionary, Merriam-Webster, Accessed 7 Feb. 2023.

Medical Definition


sep·​tal ˈsep-tᵊl How to pronounce septal (audio)
: of or relating to a septum
septal defects
Last Updated: - Updated example sentences
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