vagus n 1: a mixed nerve that supplies the pharynx and larynx and lungs and heart and esophagus and stomach and most of the abdominal viscera [syn: {vagus}, {vagus nerve}, {nervus vagus}, {pneumogastric}, {pneumogastric nerve}, {tenth cranial nerve}, {wandering nerve}]
Vagus \Va"gus\, a. [L., wandering.] (Anat.) Wandering; -- applied especially to the pneumogastric nerve. -- n. The vagus, or pneumogastric, nerve. [1913 Webster]