OVERLAY

I. transitive verb (overlaid; -laying) Date: 14th century 1. to lay or spread over or across ; superimpose , to prepare an ~ for, overlie 2, II. noun Date: 1794 a covering either permanent or temporary: as, an ornamental veneer, a decorative and contrasting design or article placed on top of a plain one, a transparent sheet containing graphic matter to be superimposed on another sheet