DictionarycorsetTorso support and shaping
noun / verb

corset

KOR-sit/ˈkɔːrsɪt/

A close-fitting garment or brace that supports or shapes the torso.

She wears a corset under her dress to shape her waist.

A person tightens the laces of a stiff undergarment around another adult's torso, visibly shaping the waist beneath outer clothing.
Etymology

A diminutive of “body” named a bodice or close-fitting body garment. The meaning later narrowed to the stiff, constricting undergarment used to support the waist and shape the figure.

In context

Sasha Sarago6:29
instead of wearing colonial attire -- a tight corset and a gown layered in silk finished with pearls --
The (de)colonizing of beauty
Royal Collection Trust presenter1:01
A pair of stays was a sort of early example of a corset.
Unravelling Georgian Fashion: Extravagance & Elegance of 18th Century Dress

More examples

  • The doctor prescribes a medical corset to support his lower back.
  • The costume designer corsets the actor before fitting the gown.
  • She loosens her corset after dinner.

Forms

corset · corsets · corseted · corseting

corsetry noun — The making or wearing of corsets.

Similar words

girdle
Usually shapes the waist and hips with elastic fabric.
brace
Supports an injured or weak body part, not necessarily the torso.