waist(redirected from waistless)
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1. Anatomy the constricted part of the trunk between the ribs and hips
2. the middle part of a ship
3. the middle section of an aircraft fuselage
4. the constriction between the thorax and abdomen in wasps and similar insects
The center portion of a vessel or container that has a smaller cross section than the adjacent areas.
The narrowest thickness of the slab in concrete stairs.