Petticoat (noun)

1. A skirt worn under a dress or a gown, especially in the past.
2. A skirt worn by girls and women as an undergarment.

Origin:

Originally from middle english "petty coat", probably from old french "petite cote" meaning "little coat".

Examples:

1. The woman's dress had a petticoat that made the skirt fluffy.
2. In the 18th century, petticoats were worn to add volume to a woman's dress.
3. The dancer's petticoat swirled around her legs as she twirled.
4. Petticoats were worn in the past to protect the modesty of women.
5. The dress was worn over a white petticoat.