#seaport__harbor__harbour  a place where ships can take on or discharge cargo
  supertype:  port  a place (seaport or airport) where people and merchandise can enter or leave a country
  subtype:  coaling_station  port_of_call
  instance:  Pearl_Harbor
  part of:  seafront
  part:  dockage__dock__docking_facility__dockingfacility  landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out; "the ship arrived at the dock more than a day late"
  part:  landing_place__landingplace__landing  structure providing a place where boats can land people or goods
     part:  landing_stage__landingstage  platform from which passengers and cargo can be (un)loaded
  part:  anchorage_ground__anchorageground__anchorage  place for vessels to anchor

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