also: ウェストニッパー
noun
waist nipper
A type of corset or girdle that cinches the waist; a loanword from English 'waist nipper'.
彼女はドレスの下にウエストニッパーを着けている。
She is wearing a waist nipper under her dress.
Spelling with interpunct; sometimes used for clarity.
Alternate spelling with interpunct and ウェ.
コルセット is a more general term for corset, while ウエストニッパー specifically refers to a garment that nips the waist.
Loanword from English 'waist nipper'.