waistline

noun
UK /ˈweɪstlaɪn/
US /ˈweɪstlaɪn/

The waistline is the line around the middle of your body where your waist is.

She wore a belt that sat right on her waistline.


OTHER MEANINGS

2. The measurement around a person's waist, often used when talking about clothing size.

The dress was too tight around the waistline.

3. The part of a garment that fits around the waist.

The waistline of the trousers needed to be taken in.

4. The outline or shape of a garment at the waist.

The designer added a ribbon to highlight the waistline.