Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

  

knife

 
 
/naɪf/ noun [C] (plural knives)

Definition

a sharp tool or weapon for cutting, usually with a metal blade and a handle: a knife and fork
(Definition of knife noun from the Cambridge Learner's Dictionary © Cambridge University Press)

“knife” in other dictionaries

Word of the Day

jettison

to get rid of something or someone that is not wanted or needed

Word of the Day

Blog

Read our blog about how the English language behaves.

Learn More

New Words

Find words and meanings that have just started to be used in English, and let us know what you think of them.

Learn More