<p><strong>Adjective</strong></p><ul><li>of or relating to the shore of a lake, sea, or ocean.</li><li>(on ocean shores) of or relating to the biogeographic region between the sublittoral zone and the high-water line and sometimes including the supralittoral zone.</li><li>of or relating to the region of freshwater lake beds from the sublittoral zone up to and including damp areas on shore.</li></ul><p><strong>Noun</strong></p><ul><li>a littoral region.</li></ul>