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1

knife

play
noun \ˈnīf\

Simple Definition of knife

  • : a usually sharp blade attached to a handle that is used for cutting or as a weapon

Full Definition of knife

plural knives play \ˈnīvz\

  1. 1 a :  a cutting instrument consisting of a sharp blade fastened to a handle b :  a weapon resembling a knife

  2. 2 :  a sharp cutting blade or tool in a machine

  3. 3 :  surgery 4 —usually used in the phrase under the knife

knife·like play \ˈnīf-ˌlīk\ adjective

Examples of knife

  1. Each dinner guest gets two forks, a knife, and a spoon.

  2. He pulled a knife on me and threatened to stab me with it.



Origin of knife

Middle English knif, from Old English cnīf, perhaps from Old Norse knīfr; akin to Middle Low German knīf knife


First Known Use: before 12th century

Other Weapons and Explosives Terms

Rhymes with knife


2

knife

verb

Simple Definition of knife

  • : to injure (someone) with a knife

  • : to move easily and quickly like a knife cutting through something

Full Definition of knife

knifedknif·ing

  1. transitive verb
  2. 1 :  to use a knife on; specifically :  to stab, slash, or wound with a knife

  3. 2 :  to cut, mark, or spread with a knife

  4. 3 :  to try to defeat by underhanded means

  5. 4 :  to move like a knife in <birds knifing the autumn sky>

  6. intransitive verb
  7. :  to cut a way with or as if with a knife blade <the cruiser knifed through the heavy seas>

Examples of knife

  1. He died after being knifed in the chest.

  2. ships knifing through the waves



1865

First Known Use of knife

1865


Medical Dictionary

knife

play
noun \ˈnīf\

Medical Definition of knife

plural knives \ˈnīvz\play

  1. 1:  any of various instruments used in surgery primarily to sever tissues: asa:  a cutting instrument consisting of a sharp blade attached to a handleb:  an instrument that cuts by means of an electric current

  2. 2:  surgery 3—usually used in the phrase under the knife <went under the knife yesterday> <was afraid of the knife>






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