Source : Webster's Revised Unabridged Dictionary (1913)

Corselet \Corse"let\ (k?rs"l?t), n. [F., dim. of OF. cors. F.
   corps, body. See {Corse}.]
   1. 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.

   2. (Zo["o]l.) The thorax of an insect.

Source : WordNet®

corselet
     n : a piece of body armor for the trunk; usually consists of a
         breastplate and back piece [syn: {corslet}]