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knife

NYF/naɪf/

Pluralknives

Verbknifes, knifing, knifed

7 meanings of knife

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  1. 1
    nouncountable
    A tool with a sharp metal blade and a handle, used for cutting things or as a weapon.

    She used a small knife to cut the apple into pieces.

    Put the knives and forks on the table before dinner.

    UsageTwo or more are knives (not incorrect: knifes).

    Similarblade

  2. 2
    machine bladenouncountable
    A sharp blade that is part of a machine or tool and does the cutting.

    Like the small blade inside a pencil sharpener: a cutting part built into something bigger.

    The paper cutter has a long knife that slides down to cut the whole stack.

    Workers replace the knives in the wood chipper when they get dull.

    Similarblade, cutter

  3. 3
    stabverbtransitive
    To hurt or kill someone by stabbing or cutting them with a knife.

    The robber tried to knife the clerk before running out of the store.

    Someone knifed him in the arm during a fight outside the bar.

    UsageOften was knifed in the arm. Stab is more common.

    Similarstab, slash

    Note

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Origin

The word probably came into English from Old Norse knífr, which may come from an old Germanic word meaning 'to pinch'.