"knife" in the noun sense
edge tool used as a cutting instrument has a pointed blade with a sharp edge and a handle
a weapon with a handle and blade with a sharp point
3. tongue, knife
any long thin projection that is transient
"tongues of flame licked at the walls"
"rifles exploded quick knives of fire into the dark"
"knife" in the verb sense
1. knife, stab
use a knife on
"The victim was knifed to death"
Source: WordNet® (An amazing lexical database of English)
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