"While a "sea" is generally defined as a large lake that contains saltwater, or a specific portion of an ocean, the idiom "Sail the seven seas," is not so easily defined. "- [1]
A sea is a large body of water, typically bordering an ocean but not big enough to be called an ocean. Silverscreen pirates often refer to "sailing the seven seas."
Examples:
- The North Sea between the British Isles and Scandinavia
- The English Channel between England and France
- The Red Sea between Arabia and Africa
Lakes
Bodies of water that are called seas but don't join an ocean are in fact lakes with a different name.
- The Dead Sea is in fact a salt lake and much saltier than any ocean.
- The Caspian Sea is saltier than a typical freshwater lake but less salty than any ocean. [2]
References
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