lagoon/ləˈgu:n; lə`ɡun/ n1 salt-water lake separated from the open sea by sandbanks or coral reefs 泻湖.2 (US or Austral or NZ 美或澳或新西兰) small shallow freshwater lake near a larger lake or river （大湖或江河附近的）小而浅的淡水湖.
牛津英汉双解词典