solar plexus solar physics • solar power · · · Info · Definitions · Synonyms · Characters · · solar plexus · · Text Common · · Latin · · Scripts 12 · · Length 4 · · Syllables Definitions · · · (noun) a large plexus of sympathetic nerves in the abdomen behind the stomach. Synonyms: solar plexus, coeliac plexus, plexus celiacus, abdominal nerve plexus. · · Noun Definition 1 Synonyms · · · coeliac plexus · · Synonym 1 plexus celiacus · · Synonym 2 abdominal nerve plexus · · Synonym 3 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070 r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075 x latin small letter x U+0078