What is another word for tidemark?
Pronunciation: [tˈa͡ɪdmɑːk] (IPA) 
Tidemark is a word that is commonly used to describe the line left by the highest point of water on a beach or shoreline. However, there are several synonyms that can be used to describe this phenomenon. Some of the most commonly used synonyms for tidemark include high-water mark, water line, tide line, and shoreline mark. Each of these terms can be used in place of tidemark to convey the same meaning. Other synonyms for this word include water edge, high tide, and wave line. Regardless of which synonym is used, all of these terms describe the same visible line left by the water on a shoreline.
