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.
That part of the upper deck of a ship between the quarterdeck and the forecastle.
The middle part of anything.