Littoral :: Littoral (a.) Of or pertaining to a shore, as of the sea..
Littoral :: Littoral (a.) Inhabiting the seashore, esp. the zone between high-water and low-water mark..
Littorina :: Littorina (n.) A genus of small pectinibranch mollusks, having thick spiral shells, abundant between tides on nearly all rocky seacoasts. They feed on seaweeds. The common periwinkle is a well-known example. See Periwinkle..
Sublittoral :: Sublition (n.) The act or process of laying the ground in a painting.