belly
US /ˈbel.i/
UK /ˈbel.i/

1.
2.
the underside of an animal's body
:
•
The snake slithered on its belly.
•
The dog rolled over and exposed its soft belly.
3.
the swollen or protruding part of something
:
•
The belly of the ship was filled with cargo.
•
The archer drew the bowstring to the belly of the bow.