Belonging to the shore of seas and the Great Lakes; the word applied loosely and generally to the seashore as well as to the shores of lakes and rivers
1 Seaward: Area from the shore to open ocean that must be controlled to support operations; 2 Landward: Area inland from shore that can be supported and defended directly from the sea (NWP 1-02)
In geography, the littoral means the coast. the countries of the north African littoral. the littoral countries of the Persian Gulf. an area near the coast (litoralis, from litus )