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n. pl. knives (nīvz)
1. A cutting instrument consisting of a sharp blade attached to a handle.
2. A cutting edge; a blade.
v. knifed, knif·ing, knifes
1. To use a knife on, especially to stab; wound with a knife.
2. Informal To betray or attempt to defeat by underhand means.
To cut or slash a way through something with or as if with a knife: The boat knifed through the waves.
under the knife Informal
Undergoing surgery.

[Middle English knif, from Old English cnīf, from Old Norse knīfr.]

knif′er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
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References in classic literature ?
'I said so; Jacks; and Chayner men: and hother Knifers.'
Returning to the ranch after dealing with the vicious killer, Knifer, and his midget partner, Plug, in Denver, Rafe and Cookie discover a cryptic telegram from Jack, something about a phoenix, a word that conjures specters from their secret-agent war days.
Active from 1959 until 1966, the group--whose other participants included artists Dimitrije Basicevic (better known as Mangelos), Julije Knifer, Ivan Kozaric and Duro Seder, architect Miljenko Horvat and critic Matko Mestrovic--was not bound by an aesthetic allegiance so much as by a Dadaist-tinged disregard for convention, which they lovingly touted as the "Gorgonic spirit." Drawing from the legacy of the 1920s-era Yugoslavian magazine Zenit, as well as contemporaneous groups such as Zero, Azimuth, and Fluxus, Gorgona published an eponymous journal from 1961 through 1966.