The Collaborative International Dictionary of English v.0.48:

Landfall \Land"fall\, n.
   1. A sudden transference of property in land by the death of
      its owner.
      [1913 Webster]

   2. (Naut.) Sighting or making land when at sea.
      [1913 Webster]

   A good landfall (Naut.), the sighting of land in conformity
      with the navigator's reckoning and expectation.
      [1913 Webster]