VAGUS
vagus, vagus nerve, nervus vagus, pneumogastric, pneumogastric nerve, tenth cranial nerve, wandering nerve
(noun) a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera
Source: WordNet® 3.1
Etymology
Noun
vagus (plural vagi)
(Roman Catholicism) A homeless person or vagrant.
The vagus nerve.
Source: Wiktionary
Va"gus, a. Etym: [L., wandering.] (Anat.)
Definition: Wandering; -- applied especially to the pneumogastric nerve.
– n.
Definition: The vagus, ore pneumogastric, nerve.
Source: Webster’s Unabridged Dictionary 1913 Edition