(chiefly british) A sheet of writing or printing paper measuring about 13 by 16 inches.
A fool's cap.
Any of various sizes of writing paper; esp., in the U.S., a size measuring 13 by 16 inches.
Alternative form of fool's cap.
Printing paper measuring 13.5 inches x 17 inches.
Origin of foolscap
- From the watermark of a fool's cap with bells originally used for this paper
From American Heritage Dictionary of the English Language, 5th Edition
- Probably from a watermark of a fool's cap.