noun

• (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.
• The middle part of anything.