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