underskirt

noun
UK /ˈʌndəskɜːt/
US /ˈʌndərskɜːrt/

A piece of clothing worn under a skirt.

She wore a white underskirt beneath her dress.


OTHER MEANINGS

2. A lining sewn into a skirt to give it shape.

The tailor added an underskirt to make the gown fuller.

3. A decorative layer visible beneath a shorter outer skirt.

The dancer's colorful underskirt peeked out as she spun.

4. A protective garment worn beneath outer clothing for warmth.

In winter, she wore a woolen underskirt for extra warmth.