Knife (noun)

  1. An instrument consisting of a sharp blade fixed into a handle, used for cutting and spreading food, for cutting hair and nails, for cutting paper and cloth, etc.
  2. A weapon consisting of a sharp blade fixed to a handle, used for cutting or thrusting.
  3. A surgical instrument with a sharp blade used for cutting or dissecting tissue.

Origin:

Old english cnif, of germanic origin; related to dutch and german messer.

Examples:

  1. She pulled a knife from her pocket.
  2. He was arrested for carrying a knife.
  3. I need to sharpen my knife before I can use it.
  4. This knife is perfect for slicing tomatoes.
  5. The surgeon used a knife to make an incision.
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