Definition of vagus in English:


Line breaks: 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.
    More example sentences
    • The smooth muscle portion of the esophagus is innervated by neurons within the dorsal motor nucleus of the vagus.
    • First the doctor may try rubbing the side of the patient's neck where there is a nerve called the vagus nerve.
    • Participants had a generator implanted in the anterior chest that was connected to stimulating coils on the left vagus nerve.


mid 19th century: from Latin (see vague).

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Pronunciation: skōSH
a small amount; a little