A part of a piece of clothing that covers the waist.
That part of the upper deck of a ship between the quarterdeck and the forecastle.
The middle portion of the hull of a ship or the fuselage of an aircraft.
The part of the body between the pelvis and the stomach.
The narrow connection between the thorax and abdomen in certain insects (e.g., bees, ants and wasps).
A women's waist cincher or small corset, worn as underwear or over other clothes.