knife
knife · noun
Definitions
noun
- 1.
A cutting instrument consisting of a sharp blade with a handle.
- 2.
A weapon with a pointed blade.
Forms
plural: knives
Phrases & expressions
- •under the knife — undergoing surgery
- •twist the knife — make a bad situation worse
- •you could cut the atmosphere with a knife — describing tension
Related words
Etymology
From Old English cnif, from Old Norse knifr, of Germanic origin.