#gaff.spar  a spar rising aft from a mast to support the head of a quadrilateral fore-and-aft sail
  supertype:  spar  a stout rounded pole of wood or metal used to support rigging
  part of:  sailing_vessel__sailingvessel__sailing_ship__sailingship  a vessel that is powered by the wind; often having several masts

No statement uses or specializes gaff.spar; click here to add one.