Definition of epigastrium in English:
 epigastrium
nounPlural epigastria ˌɛpɪˈɡastrɪəmˌɛpəˈɡæstriəm
Anatomy The part of the upper abdomen immediately over the stomach.
 Example sentencesExamples
-  The pain starts suddenly in the epigastrium or right upper quadrant and may radiate round to the back in the interscapular region.
 -  A large mass was palpable in the epigastrium and right upper quadrant.
 -  When the primary site is in the epigastrium the source usually is the pancreas, stomach, duodenum, or liver.
 -  It is often accompanied by distension and fullness of the epigastrium and abdomen, acid regurgitation, and a thick and sticky tongue coating.
 -  The pain of acute cholecystitis typically lasts longer than three hours and, after three hours, shifts from the epigastrium to the right upper quadrant.
 
Origin
  
Late 17th century: via late Latin from Greek epigastrion, neuter of epigastrios 'over the belly', from epi 'upon' + gastēr 'belly'.
   Definition of epigastrium in US English:
 epigastrium
nounˌepəˈɡastrēəmˌɛpəˈɡæstriəm
Anatomy The part of the upper abdomen immediately over the stomach.
 Example sentencesExamples
-  It is often accompanied by distension and fullness of the epigastrium and abdomen, acid regurgitation, and a thick and sticky tongue coating.
 -  When the primary site is in the epigastrium the source usually is the pancreas, stomach, duodenum, or liver.
 -  The pain of acute cholecystitis typically lasts longer than three hours and, after three hours, shifts from the epigastrium to the right upper quadrant.
 -  The pain starts suddenly in the epigastrium or right upper quadrant and may radiate round to the back in the interscapular region.
 -  A large mass was palpable in the epigastrium and right upper quadrant.
 
Origin
  
Late 17th century: via late Latin from Greek epigastrion, neuter of epigastrios ‘over the belly’, from epi ‘upon’ + gastēr ‘belly’.