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vagus

American  
[vey-guhs] / ˈveɪ gəs /

noun

vagi plural
  1. vagus nerve.


vagus British  
/ ˈveɪɡəs /

noun

  1. the tenth cranial nerve, which supplies the heart, lungs, and viscera

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Inflected Forms

noun

Etymology

Origin of vagus

1830–40; < Latin: wandering

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

GLP-1 receptors are expressed not just in the pancreas and stomach, but throughout the vagus nerve, the brain stem, and the hypothalamus.

From Slate • Mar. 22, 2026

Participants in the Triceps trial use a small electrical device that sits inside the ear and stimulates the vagus nerve - a major nerve connecting the brain and abdomen - while carrying out rehabilitation exercises.

From BBC • Feb. 13, 2026

The researchers found that a device designed to stimulate the vagus nerve was linked to sustained improvements in depressive symptoms, daily functioning, and overall quality of life.

From Science Daily • Jan. 20, 2026

As we begin to understand the vital role our nervous system plays in our ability to manage to stress, there is a growing body of evidence that the vagus nerve might hold the key.

From BBC • Jan. 2, 2026

“There’s no automatic cut-in of the vagus nerve,” Phil Resch said, “in an android. As there is in a human. Weren’t you taught that when they trained you? I got taught that years ago.”

From "Do Androids Dream of Electric Sheep?" by Philip K. Dick

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