\Sub*e`so*phag"e*al\, a. (Zo["o]l.)
Situated beneath the esophagus. [Written also
{sub[oe]sophageal}.]
{Subesophageal ganglion} (Zo["o]l.), a large special ganglion
   situated beneath the esophagus of arthropods, annelids,
   and some other invertebrates.