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[vey-guh s] /ˈveɪ gəs/
noun, plural vagi
[vey-jahy, -gahy] /ˈveɪ dʒaɪ, -gaɪ/ (Show IPA)
Origin of vagus
1830-40; < Latin: wandering Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for vagus
  • Lateral to the artery are the internal jugular vein and vagus nerve.
  • The vagus nerve runs between the brain and the abdomen.
  • Vagotomy, in which the vagus nerve is cut to interrupt messages from the brain that stimulate acid secretion in the stomach.
  • Each time you exhale, your brain sends a signal down the vagus nerve to slow the cardiac muscle.
British Dictionary definitions for vagus


noun (pl) -gi (-dʒaɪ)
the tenth cranial nerve, which supplies the heart, lungs, and viscera
Word Origin
C19: from Latin vagus wandering
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
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Word Origin and History for vagus

plural vagi, 1840, from Latin vagus "wandering, straying" (see vague).

Online Etymology Dictionary, © 2010 Douglas Harper
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vagus in Medicine

vagus va·gus (vā'gəs)
n. pl. va·gi (-gī, -jī)
The vagus nerve.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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