| 1. | the part of the body in humans between the ribs and the hips, usually the narrowest part of the torso. |
| 2. | the part of a garment covering this part of the body. |
| 3. | blouse (def. 1). |
| 4. | the part of a one-piece garment covering the body from the neck or shoulders more or less to the waistline, esp. this part of a woman's or child's garment. |
| 5. | a child's undergarment to which other articles of apparel may be attached. |
| 6. | the part of an object, esp. a central or middle part, that resembles or is analogous to the human waist: the waist of a violin. |
| 7. | Nautical. the central part of a ship; that part of the deck between the forecastle and the quarterdeck. |
| 8. | the constricted portion of the abdomen of certain insects, as a wasp. |
waist (wāst)
n.
The part of the human trunk between the bottom of the rib cage and the pelvis.
The middle section or part of an object, especially when narrower than the rest.