What is the meaning of the word "vagus nerve"?

Definitions:

  1. A long, mixed nerve that extends from the brainstem to the abdomen, playing a key role in regulating involuntary functions of the heart, lungs, and digestive tract. copy to clipboard NOUN
    • A damaged vagus nerve can lead to issues with speech, digestion, and heart function. copy to clipboard
  2. The 10th cranial nerve. copy to clipboard NOUN
    • The vagus nerve plays a central role in calming the body after stress. copy to clipboard