出典:Wiktionary
stomachache (countable かつ uncountable, 複数形 stomachaches)
a stomach
みぞおち.
suffer from stomachache
腹びれ.
eviscerate the stomach
to have a colic―have a stomach-ache
I have a stomach-ache―a colic.
I am suffering from colic.
腹が痛いこと