Main Entry: so·lar plexus

Pronunciation: \ˈsō-lər-\

Function: noun

Etymology: from the radiating nerve fibers

Date: 1771

1 : a nerve plexus in the abdomen that is situated behind the stomach and in front of the aorta and the crura of the diaphragm and contains several ganglia distributing nerve fibers to the viscera
2 : the pit of the stomach