Definition of: cuirass

(kwi·ras′) noun
1. A piece of defensive armor covering the entire upper part of the trunk, and consisting of a breastplate and backplate; also, the breastplate alone.
2. A cuirasslike covering, as the bony plates of a mailed fish, the armor of a ship, etc.
—v.t. To cover, as with a cuirass. [<F cuirasse]