Abdomen vs. Waist — What's the Difference?

The abdomen (colloquially called the belly, tummy, midriff or stomach) is the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. The abdomen is the front part of the abdominal segment of the trunk.

The waist is the part of the abdomen between the rib cage and hips. On people with slim bodies, the waist is the narrowest part of the torso.

The part of the body that lies between the thorax and the pelvis and encloses the stomach, intestines, liver, spleen, and pancreas in humans and other mammals. Also called belly.

The part of the human body below the ribs and above the hips, often narrower than the areas above and below

The corresponding region in vertebrates other than mammals.

A narrow part in the middle of something, such as a violin or hourglass.

The posterior segment of the body in arthropods.

A blouse or bodice.

(obsolete) The fat surrounding the belly.

The part of the human trunk between the bottom of the rib cage and the pelvis.

(anatomy) The belly, or that part of the body between the thorax and the pelvis, not including the back; or in some lower vertebrates, the portion between the cardiac and caudal regions.

The narrow part of the abdomen of an insect.

(anatomy) The cavity of the belly, which is lined by the peritoneum, and contains the viscera; often restricted in humans to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity.

The part of a garment that encircles the waist of the body.

The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.

The upper part of a garment, extending from the shoulders to the waistline, especially the bodice of a dress.

The belly, or that part of the body between the thorax and the pelvis. Also, the cavity of the belly, which is lined by the peritoneum, and contains the stomach, bowels, and other viscera. In man, often restricted to the part between the diaphragm and the commencement of the pelvis, the remainder being called the pelvic cavity.

(Archaic) A blouse.

The posterior section of the body, behind the thorax, in insects, crustaceans, and other Arthropoda.

The middle section or part of an object, especially when narrower than the rest.

The region of the body of a vertebrate between the thorax and the pelvis

(Nautical) The middle part of the upper deck of a ship between the forecastle and the quarterdeck.

The cavity containing the major viscera; in mammals it is separated from the thorax by the diaphragm

(anatomy) The part of the body between the pelvis and the stomach.

A part of a piece of clothing that covers the waist.

The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps).

The middle portion of the hull of a ship or the fuselage of an aircraft.

(nautical) That part of the upper deck of a ship between the quarterdeck and the forecastle.

(obsolete) The middle part of anything.

That part of the human body which is immediately below the ribs or thorax; the small part of the body between the thorax and hips.

Hence, the middle part of other bodies; especially (Naut.), that part of a vessel's deck, bulwarks, etc., which is between the quarter-deck and the forecastle; the middle part of the ship.

A garment, or part of a garment, which covers the body from the neck or shoulders to the waist line.

A girdle or belt for the waist.

The narrowing of the body between the ribs and hips

The narrow part of the shoe connecting the heel and the wide part of the sole