The lower fuselage of an airplane.
The stomach.
The main curved portion of a knife blade.
The abdomen, especially a fat one.
The part of anything which resembles (either closely or abstractly) the human belly in protuberance or in concavity; often, the fundus (innermost part).
The womb.
The hollow part of a curved or bent timber, the convex part of which is the back.
To swell and become protuberant; to bulge or billow.
To cause to swell out; to fill.
To position one’s belly; to move on one’s belly.
An upward flight.
The act of soaring.
To rise, especially rapidly or unusually high.
To mount upward on wings, or as on wings, especially by gliding while employing rising air currents.
To rise in thought, spirits, or imagination; to be exalted in mood.
To remain aloft by means of a glider or other unpowered aircraft.
To fly high with little effort, like a bird.