- The perforated portion of a snap out or continuous form where the different parts are fastened together.
On a snap out they are described as a top stub, bottom stub or side stub, depending on its location. On continuous form they are a left stub or a right stub.
- A narrow strip of paper on the inside margin, between leaves of a book.
Usually evidence that a plate or other matter has been removed or that there is an illustration attached into the binding.