- a piece of paper or cardboard on which things are pasted to form a design, working diagram, etc.
- a collage
See paste-up in American Heritage Dictionary 4
- A composition of light flat objects pasted onto a sheet of paper, board, or other backing, as:
a. A layout of an image to be printed, such as a book cover.
b. A collage.
- The art or process of making such a composition.