There are several synonyms for the word water line, which refers to the point where the surface of water meets the shore or the hull of a ship. Some of the common synonyms include shoreline, water's edge, high water mark, and tide line. Other synonyms for water line might include lakefront, riverfront, seaside, or beachfront. In addition, related terms such as water level, water depth, and water table can also be used to describe different aspects of water in relation to land. Regardless of the term used, a clear understanding of the water line is important for activities such as boating, fishing, swimming, and beachcombing.