plater

noun5

1. •
   Someone who plates metal.
2. •
   Someone who installs sheet metal and armour plating, particularly on trains, ships, tanks, and similar items.
3. •
   A horse that runs chiefly in selling plates; hence, an inferior racehorse.
4. •
   A device for depositing cells on a plate.
5. •
   A machine for calendering paper.