#seashore__coast__seacoast__sea-coast__seacoast  the shore of a sea or ocean
  supertype:  shore  the land along the edge of a body of water (a lake or ocean or river)
  instance:  Barbary_Coast.North_Africa  Aeolis
  part:  foreshore
  subtype:  littoral_zone__littoral__litoral__sands__sand  the region of the shore of a lake or sea or ocean
  subtype:  Atlantic_Coast  a coast of the Atlantic Ocean
  subtype:  landfall.seashore  the seacoast first sighted on a voyage (or flight over water)
  subtype:  Pacific_Coast  a coast of the Pacific Ocean
  subtype:  seaside  the shore of a sea or ocean regarded as a resort

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