Definify.com

Webster 1913 Edition

Underskirt

Un′der-skirtˊ

,

Noun.

A petticoat; the foundation skirt of a draped dress.

Definition 2024

underskirt

underskirt

English

Noun

underskirt ‎(plural underskirts)

A skirt worn underneath another skirt; a petticoat.
An under layer of a multi-layer gown over which outer skirts are draped.