refers to the part of the body between the ribs and hips.

can refer to a physical measurement that indicates the circumference of the waist area.

कमर का माप

English Usage: She lost three inches off her waist.

Hindi Usage: उसकी कमर में तीन इंच की कमी आई।

to a great depth or extent.

गहराई में

English Usage: The water was waist deep.

Hindi Usage: पानी कमर गहरा था।