septal

adjective

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

Examples of septal in a Sentence

Recent Examples on the Web
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The musician shared that his family has known for the last few months that Indiana would have to have open-heart surgery after she was first diagnosed in February 2014 with a ventricular septal defect (VSD). Hannah Sacks, PEOPLE, 24 June 2026 The patient, Greyson Gonzalez, lives on the west coast of Florida but was born in New York, where he was first diagnosed with a ventricular septal defect—essentially, a hole in his heart. Lauren Pastrana, CBS News, 12 June 2026 At four months old, doctors diagnosed him with a large ventricular septal defect (VSD) between the left and right ventricles in his heart, as well as pulmonary hypertension. David Oliver, USA Today, 1 Apr. 2026 Before Saffold had surgery at the hospital the next day, his EKG showed a sinus arrhythmia, a delay in the right ventricle, and a possible septal infarction, the lawsuit alleges. Pj Green, Kansas City Star, 14 June 2025 And the septal thickening becomes more exaggerated as time goes on. Lisa Sanders, M.d., New York Times, 3 Jan. 2025

Word History

First Known Use

1824, in the meaning defined above

Time Traveler
The first known use of septal was in 1824

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Cite this Entry

“Septal.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/septal. Accessed 1 Jul. 2026.

Medical Definition

septal

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