Source : Webster's Revised Unabridged Dictionary (1913)

Vagal \Va"gal\, a. [See {Vagus}.] (Anat.)
   Of or pertaining to the vagus, or pneumogastric nerves;
   pneumogastric.

Source : WordNet®

vagal
     adj : of or relating to the vagus nerve [syn: {pneumogastric}]