#spar  a stout rounded pole of wood or metal used to support rigging
  supertype:  #pole  a long (usually round) rod of wood or metal or plastic
  part of:  #ship
  subtype:  #boom  any of various more-or-less horizontal spars or poles used to extend the foot of a sail or for handling cargo or in mooring
  subtype:  #bowsprit  a spar projecting from the bow of a vessel
  subtype:  #dolphin_striker__martingale  spar under the bowsprit of a sailboat
  subtype:  #gaff.spar  a spar rising aft from a mast to support the head of a quadrilateral fore-and-aft sail
  subtype:  #jibboom  a spar that extends the bowsprit
  subtype:  #mast  a vertical spar for supporting sails
     subtype:  #foremast  the mast nearest the bow in vessels with two or more masts
     subtype:  #jiggermast__jigger  any small mast on a sailing vessel; especially the mizzenmast of a yawl
     subtype:  #jury_mast  a temporary mast to replace one that has broken off
     subtype:  #mainmast  the chief mast of a sailing vessel with two or more masts
     subtype:  #mizzenmast__mizenmast__mizzen__mizen  third mast from the bow in a vessel having three or more masts; the after and shorter mast of a yawl, ketch, or dandy
     subtype:  #topmast  the mast next above a lower mast and topmost in a fore-and-aft rig
        subtype:  #fore-topmast  the topmast next above the foremast
        subtype:  #main-topmast  the topmast next above the mainmast
        subtype:  #royal_mast__royalmast  topmast immediately above the topgallant mast
        subtype:  #topgallant_mast__topgallant  a mast fixed to the head of a topmast on a square-rigged vessel
  subtype:  #sprit  a light spar that crosses a fore-and-aft sail diagonally
  subtype:  #yard.spar  a long horizontal spar tapered at the end and used to support and spread a square sail or lateen
     subtype:  #main_yard  yard for a square mainsail

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