creaser
/ˈkrisər/
noun
- A tool or device used to make a crease or fold in paper, fabric, or other material.
- A plastic creaser is handy for scoring paper before folding.
- The tailor's creaser helped create perfect pleats in the skirt.
- He used a bone creaser to make sharp folds in the cardstock.
- A person or thing that creates creases, especially in clothing or paper.
- That old iron is a terrible creaser—it leaves marks everywhere.
- She is known as a careful creaser when wrapping gifts.
- The machine is a fast creaser for cardboard boxes.