OVERLAY

Definition of OVERLAY

  1. (verb)lie upon; lie on top of
  2. (verb)kill by lying on
  3. (verb)put something on top of something else
  4. (verb)kill by lying on
  5. (noun)protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior
  6. (noun)a layer of decorative material (such as gold leaf or wood veneer) applied over a surface