corselet

noun5

1. •
   Armor for the body, for example a breastplate and backpiece taken together.
2. •
   An entire suit of armor, made up chiefly of the breastplate and backpiece worn with a headpiece and with a gorget, pauldrons, vambraces, gauntlets, and tassets attached.

   • Strictly speaking, the word corcelet meant only that part which covered the body, but was generally used to express the whole suit, under the terms of a corselet furnished, or complete. — 1786
3. •
   A tight-fitting item of clothing which covers the body and not the limbs.
4. •
   A type of women's underwear, combining a bra and a girdle in one garment; a corselette.
5. •
   The thorax of an insect.

   • With the added suggestion of her goggles it reminded her pupil of the polished shell or corslet of a horrid beetle. — 1897