1. (p. pr. & vb. n.) of Plate.

2. (n.) The art or process of covering anything with a plate or plates, or with metal, particularly of overlaying a base or dull metal with a thin plate of precious or bright metal, as by mechanical means or by electro-magnetic deposition.

3. (n.) A thin coating of metal laid upon another metal.

4. (n.) A coating or defensive armor of metal (usually steel) plates.