ep·i·gas·tri·um 
(ĕp′ĭ-găstrē-əm)
(ĕp′ĭ-găstrē-əm)n. pl. ep·i·gas·tri·a (-trē-ə)
The upper middle region of the abdomen.
[New Latin, from Greek epigastrion, from neuter of epigastrios, over the belly : epi-, epi- + gastēr, gastr-, stomach.]
ep′i·gastric (-trĭk) adj.