vagus

 
Pronunciation: /ˈveɪgəs/

noun (plural vagi /-dʒʌɪ, -gʌɪ/)

  • (also vagus nerve) Anatomy each of the tenth pair of cranial nerves, supplying the heart, lungs, upper digestive tract, and other organs of the chest and abdomen.

Origin:

mid 19th century: from Latin (see vague)