gold plate

/G OW1 L D P L EY1 T/
noun
  1. 1

    A thin layer of gold applied to the surface of an object, often by an electrolytic method.

verb
  1. 1

    To apply gold plate to an object, to plate with gold.

  2. 2

    (of projects) To incorporate costly or otherwise excessive features or refinements unnecessarily, to overengineer.

  3. 3

    (of laws, regulations, etc) To embellish, to extend beyond its intended scope, especially so as to become stifling, or rigid and inflexible.

Source: https://en.wiktionary.org/wiki/gold%20plate