noun
English loanword used in Japanese, often in compound terms or brand names. Less common in everyday conversation than native words like 胃 (い) or お腹 (おなか).
ストマックエイクは胃の調子を整えると言われている。
Stomach ache is said to settle the stomach.
彼はストマックが弱くて、脂っこいものが食べられない。
He has a weak stomach and can't eat greasy food.