noun, plural ep·i·gas·tri·a [ep-i-gas-tree-uh] /ˌɛp ɪˈgæs tri ə/. Anatomy.
- the upper and median part of the abdomen, lying over the stomach.
noun plural -tria (-trɪə)
- the upper middle part of the abdomen, above the navel and below the breast
n. pl. ep•i•gas•tri•a (-trē-ə)
- The highest of three median regions of the abdomen, lying above the umbilical region and between the hypochondriac regions.