paper knife

American  

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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Etymology

Origin of paper knife

First recorded in 1800–10

Example Sentences

He found it quite easy to get around in Manhattan until he asked for a "paper knife."

From Time Magazine Archive

A discomfiting distinction between a "paper knife" and a "paper cutter."

From Time Magazine Archive

Then he took his ivory paper knife and carefully slit it open.

From "The Evolution of Calpurnia Tate" by Jacqueline Kelly

On it a table cover, English periodicals at each end, railway guide at upper end; a lamp, silver cigarette box, a paper knife, letters, vase of tulips, calendar, match-holder, ashtray.

From Green Stockings A Comedy in Three Acts by Mason, A. E. W. (Alfred Edward Woodle)

Uncut edges have not been trimmed in any way, though they may have been opened with a paper knife.

From Library Bookbinding by Bailey, Arthur Low