of, on, or along the shore, esp. a seashore
a region along the shore
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by
Houghton Mifflin Harcourt. All rights reserved.
Word origin of 'littoral'L litoralis < litus (gen. litoris), seashore, coast, prob. < IE *leitos < base *lei-, to flow > Welsh lli, sea, flood