#vessel.craft__watercraft  a craft designed for water transportation
  supertype:  craft  a vehicle designed for navigation in or on water or air or through outer space
  subtype:  boat  fishing_boat  antique_crescent-shaped_galley  large_medieval_galley  ice_yacht  Merrimac  Monitor  patrol_boat  sailing_vessel  ship  shrimper  weather_ship  racing_yacht
  part:  ground_tackle__anchor  a mechanical device that prevents a vessel from moving
     part:  fluke.projection__flue  flat blade-like projection on the arm of an anchor
     part:  shank.cylinder__stem  cylinder forming a long narrow part of something
  part:  bilge  where the sides of the vessel curve in to form the bottom
  part:  bilge_keel__bilgekeel  either of two lengthwise fins attached along the outside of a ship's bilge; reduces rolling
  part:  fore__bow__prow__stem  front part of a vessel or aircraft; "he pointed the bow of the boat toward the finish line"
  part:  hull  the frame or body of ship
     part:  keel  one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability
        part:  fin_keel__finkeel  a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability
     part:  keelson  a longitudinal beam connected to the keel of ship to strengthen it
     part:  rib  support resembling the rib of an animal
     part:  rider_plate__riderplate  a horizontal beam (or plate) connected to the top of a ship's vertical keel or to the keelson
  part:  rudder.steering_system  (nautical) steering mechanism consisting of a hinged vertical plate mounted at the stern of a vessel
     part:  rudder_blade  the vertical blade on a rudder
     part:  rudderpost__rudderstock  a vertical post at the forward edge of a rudder that enables the rudder to pivot
     part:  tiller  lever used to turn the rudder on a boat
  part:  strake__wale  thick plank forming a ridge along the side of a wooden ship
  part:  washboard.protective_cover__splashboard  protective covering consisting of a broad plank along a gunwale to keep water from splashing over the side

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