knife
     n 1: edge tool used as a cutting instrument; has a pointed blade
          with a sharp edge and a handle
     2: a weapon with a handle and blade with a sharp point
     3: any long thin projection that is transient; "tongues of
        flame licked at the walls"; "rifles exploded quick knives
        of fire into the dark" [syn: {tongue}]
     v : use a knife on; "The victim was knifed to death" [syn: {stab}]
     [also: {knives} (pl)]
Source: WordNet® 2.0