The Collaborative International Dictionary of English v.0.48:
Corslet \Cors"let\ (k[^o]rs"l?t), n. A corselet. [Obs.] --Hakluyt. [1913 Webster]WordNet (r) 3.0 (2006):
corslet n 1: a piece of body armor for the trunk; usually consists of a breastplate and back piece [syn: corselet, corslet]