Refers to the stomach as a digestive organ, often in a somewhat colloquial or figurative sense compared to the more clinical 胃 (い).
He has a big stomach, so he can eat a lot.
My stomach hurts from eating too much spicy food.
dietary needs; appetite
Figurative use referring to one's capacity or preference for food, often in expressions like 胃袋をつかむ (to win someone's heart through their stomach).
She won his heart through his stomach.
This dish really captures men's appetites.
Mom's cooking satisfied the whole family's appetite.
I haven't eaten anything since morning, so my stomach is empty.
He's small in stature, but he has a huge appetite.