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definitions
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paper knife

noun
  1. a small, often decorative, knifelike instrument with a blade of metal, ivory, wood, or the like, for slitting open envelopes, the leaves of books, folded papers, etc.
  2. the blade of a paper cutter.
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Origin of paper knife

First recorded in 1800–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for paper knife

Historical Examples of paper knife

  • Wrayson handed her a paper-knife and she cut open the top of the envelope.

    The Avenger

    E. Phillips Oppenheim

  • I gripped her wrist suddenly and put the paper-knife to her throat.

  • The paper-knife generally ceased to do duty before the thirtieth page.

    The Library

    Andrew Lang

  • She sees on Mouzon's desk the dagger which he uses as a paper-knife.

  • Mr. Locket, grave now, worried with a paper-knife the crevice of a drawer.