What is the meaning of Belly?

The abdomen, especially a fat one.

The stomach.

The womb.

The lower fuselage of an airplane.

The part of anything which resembles (either closely or abstractly) the human belly in protuberance or in concavity; often, the fundus (innermost part).

The main curved portion of a knife blade.

The hollow part of a curved or bent timber, the convex part of which is the back.

To position one’s belly; to move on one’s belly.

To swell and become protuberant; to bulge or billow.

To cause to swell out; to fill.

Source: wiktionary.org