vagus nerve

noun

va·​gus nerve ˈvā-gəs- How to pronounce vagus nerve (audio)
: either of the 10th pair of cranial nerves that arise from the medulla oblongata and supply chiefly the viscera especially with autonomic sensory and motor fibers

called also vagus

Examples of vagus nerve in a Sentence

Recent Examples on the Web
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How Vagus Nerve Stimulation Devices Work The vagus nerve is the largest and longest of the twelve cranial nerves, running from the brainstem to organs throughout the head, neck and body. Samantha Agate, Miami Herald, 4 June 2026 When Runners Should Use Pulsetto The Pulsetto website has a page for athletes that recommends using the vagus nerve stimulation device at specific moments in a training week. Samantha Agate, Kansas City Star, 4 June 2026 How the Pulsetto Vagus Nerve Stimulation Device Works Pulsetto is a wearable that delivers non-invasive vagus nerve stimulation through a band placed at the neck. Samantha Agate, Sacbee.com, 3 June 2026 This is one of the most common questions in Pulsetto vagus nerve stimulation device product info and reviews from prospective buyers. Samantha Agate, Charlotte Observer, 3 June 2026 See All Example Sentences for vagus nerve

Word History

Etymology

borrowed from New Latin vagus nervus, literally, "wandering nerve,"; so called from its multiplicity of connecting points in the neck, thorax, and abdomen — more at vague

First Known Use

1856, in the meaning defined above

Time Traveler
The first known use of vagus nerve was in 1856

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Cite this Entry

“Vagus nerve.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vagus%20nerve. Accessed 9 Jun. 2026.

Medical Definition

vagus nerve

noun
: either of the tenth pair of cranial nerves that arise from the medulla and supply chiefly the viscera especially with autonomic sensory and motor fibers

called also pneumogastric nerve, tenth cranial nerve, vagus

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