waistband

noun
UK /ˈweɪstbænd/
US /ˈweɪstbænd/

The strip of cloth at the top of pants or a skirt that goes around your waist.

He tucked his shirt into the waistband of his jeans.


OTHER MEANINGS

2. The part of a garment that encircles the waist and often holds a belt.

The waistband of her skirt had belt loops.

3. An elastic or drawstring band sewn into clothing to keep it snug at the waist.

The sweatpants have a stretchy waistband.

4. The top edge of a pair of trousers or shorts.

He hung his keys on the waistband of his shorts.