Syllable division derived from spelling — this word is not in the pronouncing dictionary, so no phonetic transcription is shown rather than a guessed one.
gastroesophageal is an adjective meaning "of or relating to or involving the stomach and esophagus". It carries one recorded sense.
of or relating to or involving the stomach and esophagus
Definitions, synonyms and semantic relations for gastroesophageal come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.