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A utensil or a tool designed for cutting, consisting of a flat piece of hard material, usually steel or other metal (the blade), usually sharpened on one edge, attached to a handle. The blade may be pointed for piercing.
2007, Scott Smith, The Ruins, page 273:
Jeff was bent low over the backboard, working with the knife, a steady sawing motion, his shirt soaked through with sweat.
A weapon designed with the aforementioned specifications intended for slashing and/or stabbing and too short to be called a sword. A dagger.
Any blade-like part in a tool or a machine designed for cutting, such as that of a chipper.
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1843, The Foreign Quarterly Review, volume 31, Treuttel and Würtz, Treuttel, Jun, and Richter, page 236:
One day his sergeant began to cane him, on which, seizing his knife, he knifed the sergeant : he knifed the privates : he knifed until he was finally overpowered, and, brought before a court-martial, was condemned to fifteen years at the galleys.
2012, Robert Biswas-Diener, The Courage Quotient: How Science Can Make You Braver, John Wiley & Sons, →ISBN, page 92:
The plane has been hijacked. They've already knifed a guy.
2015, Ross H. Spencer, The Fedorovich File, Diversion Books, →ISBN, page 211:
Naw, they found him in the pissery of some gin mill near the Mohawk West terminal—he'd been knifed.
The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.