In popular use, a term often applied to any stiff board or cardboard of medium thickness. It originally meant boards formed by laminating or pasting together a number of sheets of waste paper. In bookbinding, it is usually encased in a fabric or leather to make the cover of a book.
stiff cardboard made by pasting together layers of paper
general term for cardboard formed by pasting fine papers to either side of a middle of inferior quality paper.
A paper term referring to a type of chipboard that has another sheet of thinner paper pasted to it.