overplate

/OW1 V ER0 P L EY1 T/
noun
  1. 1

    A layer of metal that covers an undercoat.

  2. 2

    A flat protective sheet that covers something

  3. 3

    In armour, a large pauldron protecting the shoulder, or a cubitiere protecting the elbow.

  4. 4

    (geology) A tectonic plate that has moved over and covered another tectonic plate.

verb
  1. 1

    To form an overplate.

  2. 2

    (geology, of a tectonic plate) To move on top of and cover another tectonic plate.

  3. 3

    To form an overly thick plate on top of something.