Washup:

Removing printing ink from a press, washing the rollers and blanket. Certain ink colors require multiple washups to avoid ink and chemical contamination.

Waste:

A term for planned spoilage.

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:

A roll of printing paper.

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.

Wire-O binding:

A method of wire binding books along the binding edge that will allow the book to lay flat using double loops. See Wire O.

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.

Work and turn:

Printing one side of a sheet and turning it over from left to right ussing the same side guides and plate for the second side.

Wove paper:

A paper having a uniform unlined surface with a smooth finish.