The abdomen, especially a fat one.
The stomach.
The main curved portion of a knife blade.
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.
The lower fuselage of an airplane.
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.
(in the plural) The interior organs of the body, especially the guts.
The inside scoop; information known only to certain involved people.
The side of a curved road, racetrack etc. that has the shorter arc length; the side of a racetrack nearer the interior of the course or some other point of reference.
The left-hand side of a road if one drives on the left, or right-hand side if one drives on the right.
The interior or inner part.
Within the interior of something, closest to the center or to a specific point of reference.
Within a period of time.
Legally married to or related to (e.g. born in wedlock to), and/or residing with, a specified other person (parent, child, or partner); (of a marriage, relationship, etc) existing between two such people.
Toward the batter as it crosses home plate.
At or towards or the left-hand side of the road if one drives on the left, or right-hand side if one drives on the right.
Of or pertaining to the inner surface, limit or boundary.
Nearer to the interior or centre of something.
Originating from, arranged by, or being someone inside an organisation.
In or to prison.
Intimately, secretly; without expressing what one is feeling or thinking.
Within or towards the interior of something; within the scope or limits of something (a place), especially a building.
Indoors.