[noun] [C] - a large area of water that is not salty, surrounded by land and not connected to the sea except by rivers or streamsWe used to go boating on that lake.Lake Windermere(disapproving) A milk/oil/wine etc. lake is the result of too much of a liquid product being produced, making it necessary to store it or waste it.Overproduction caused butter mountains and wine lakes.
LAKE
Meaning of LAKE in English
Cambridge English vocab. Кембриджский английский словарь. 2012