a large size of paper for writing or printing, usually 432x343 mm:
• a sheet of foolscap
• a foolscap envelope
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foolscap UK US /ˈfuːlskæp/ noun [U]
► paper of a standard size, measuring 17.2 centimetres x 21.6 centimetres: »
a page/sheet of foolscap
Financial and business terms. 2012.