Creas"er (kr?s"?r), n.
1.
A tool, or a sewing-mashine attachment, for making lines or creases on leather or cloth, as guides to sew by.
2.
A tool for making creases or beads, as in sheet iron, or for rounding small tubes.
3. Bookbinding
A tool for making the band impression distinct on the back.
Knight.
© Webster 1913.