Washup: Removing printing ink from a press, washing the rollers and blanket. Certain ink colors require multiple washups to avoid ink and chemical contamination.
Watermark: A distinctive design created in paper at the time of manufacture that can be easily seen by holding the paper up to a light.
Web press: The name of a type of presses that print from rolls of paper.
Wire O: A bindery trade name for mechanical binding using double loops of wire through a hole.
With the grain: Folding or feeding paper into the press or folder parallel to the grain of the paper.
Work and tumble: Printing one side of a sheet and turning it over from the gripper to the tail to print the second side using the same side guide and plate for the second side.
Wove paper: A paper having a uniform unlined surface with a smooth finish.
