foolscap

foolscap
[ˈfuːlzkap, ˈfuːls-]
noun
  1. [mass noun](Brit.)a size of paper, about 330 × 200 (or 400) mm
    (英)大裁(纸张规格,尺寸约330 × 200 [或400]毫米)
    ■paper of this size
    大页书写纸
    several sheets of foolscap.
    几张大页书写纸。
语源
  1. late 17th cent.: said to be named from a former watermark representing a fool's cap
英语宝典
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