#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
  subtype:  #boom  #bowsprit  #dolphin_striker  #gaff.spar  #jibboom  #mast  #sprit  #yard.spar
  part of:  #ship  a vessel that carries passengers or freight

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