waist

noun

1. 1

   The part of the body between the pelvis and the stomach.

2. 2

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

3. 3

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

4. 4

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

5. 5

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

6. 6

   The middle part of anything.