EPIGASTRIUM Meaning of EPIGASTRIUM in English n. (pl. epigastria) Anat. the part of the abdomen immediately over the stomach. epigastric adj.[ LL f. Gk epigastrion (neut. adj.) (as EPI-, gaster belly) ] Concise Oxford English dictionary. Краткий оксфордский словарь английского языка. 2012