水すい涯がいすいがいMeanings1nounwater's edge; shorelineRefers to the edge of a body of water, such as a river, lake, or sea. Somewhat literary or formal; in everyday speech, 水辺 (みずべ) or 岸 (きし) are more common.彼かれは水すい涯がいに立たって遠とおくを見みつめていた。