#ax__axe  an edge tool with a heavy bladed head mounted across a handle
  supertype:  edge_tool  any cutting tool with a sharp cutting edge (as a chisel or knife or plane or gouge)
  subtype:  broadax  common_ax  double-bitted_ax  fireman's_ax  hatchet  ice_ax  poleaxe
  part:  ax_handle__axe_handle__axehandle  the handle of an ax
  part:  ax_head__axe_head__axehead  the cutting head of an ax
  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

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