#knife.weapon_system  a weapon with a handle and blade with a sharp point
  supertype:  #weapon__weapon_system__arm  instrument used in fighting or hunting; "he was licensed to carry a weapon"
  subtype:  #bayonet  #sticker  #flick-knife  #machete  #shiv  #trench_knife  #yataghan
  part:  #point.convex_shape__tip  a V shape; "the cannibal's teeth were filed to sharp points"

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