| − | A lake is a body of water surrounded entirely by land. The Caspian Sea is the largest lake in the world. Lake Superior is the largest freshwater lake by area. Lake Baikal in Siberia is the world's deepest lake, and the largest freshwater lake by volume. | + | A '''lake''' is a body of [[water]] surrounded entirely by [[land]]. The [[Caspian Sea]], a saltwater lake, is the largest lake in the world, though the [[Mediterranean Sea]] is larger. [[Lake Superior]], one of the Great Lakes, is the largest freshwater lake by area. Lake Baikal in [[Siberia]] is the world's deepest lake, and the largest freshwater lake by volume. |