高こう潮ちょう線せんMeaningsNoun1. high-water markKanji used高high潮tide線linePitch accentこうちょうせんComposed of高こう潮ちょうhigh tide; high water; climax; high pointNoun線せんline; stripe; stria; line (e.g. telephone line); wire; ray (e.g. X-ray); beam; line (e.g. of a railroad); track; route; …Noun