CORSELET n. 2 definitions
Armor for the body, as, the body breastplate and backpiece taken together; -- also, used for the entire suit of the day, including breastplate and backpiece, tasset and headpiece.
BUSK n.
thin, elastic strip of metal, whalebone, wood, or other material, worn in the front of a corset. Her long slit sleeves, stiff busk, puff verdingall, Is all that makes her thus angelical. Marston.