[noun] edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
[noun] a weapon with a handle and blade with a sharp point
[noun] any long thin projection that is transient; "tongues of flame licked at the walls"; "rifles exploded quick knives of fire into the dark" Synonyms:tongue
[verb] use a knife on; "The victim was knifed to death" Synonyms:stab