#knife  edge tool used as a cutting instrument; has a pointed blade with a sharp edge and a handle
  supertype:  edge_tool  any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)
  subtype:  barong  bolo_knife  Bowie_knife  bread_knife  butcher_knife  carving_knife  sheath_knife  meat_cleaver  drawknife  hunting_knife  letter_opener  linoleum_knife  parang  paring_knife  pocketknife  pruning_knife  slicer  surgical_knife  table_knife
  part:  blade.cutting_implement  the flat part of a tool or weapon that (usually) has a cutting edge
     part:  knife_edge__knifeedge__cutting_edge__cuttingedge  the sharp cutting side of the blade of a knife
  part:  haft__helve  the handle of a weapon or tool
  part:  knife_blade__knifeblade  the blade of a knife
  part:  point.end  sharp end; "he stuck the point of the knife into a tree"; "he broke the point of his pencil"

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