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 unidentified aircraft, especially as observed as a spot on a radar screen and suspected to be hostile.
One of two sets of wheels under a locomotive or railcar; also, a structure with axles and wheels under a locomotive, railcar, or semi which provides support and reduces vibration for the vehicle.
A standard of performance set up as a mark to be aimed at in competition.
A set of wheels attached to one of an aircraft's landing gear, or the structure connecting the wheels in one such set.
A low, hand-operated truck, generally with four wheels, used for transporting objects or for riding on as a toy; a trolley.
A piece of dried mucus in or removed from the nostril.
A score of one over par on a hole.
A marijuana cigarette; a joint.
A ghost, goblin, or other hostile supernatural creature.