North Sea

American  

noun

1. an arm of the Atlantic Ocean between Great Britain and the European mainland. About 201,000 square miles (520,600 square kilometers); greatest depth, 1,998 feet (610 meters).

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North Sea British  

noun

1. Former name: German Ocean.  an arm of the Atlantic between Great Britain and the N European mainland. Area: about 569 800 sq km (220 000 sq miles)

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North Sea Cultural  

1. Arm of the Atlantic Ocean northwest of central Europe.

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Discover More

Oil was discovered under the sea floor in 1970.

Etymology

Origin of North Sea

Firsr recorded before 1000

Example Sentences

International benchmark, Brent North Sea crude, shed 5.1 percent to $96.06 a barrel.

From Barron's • May 7, 2026

The accidental discovery resulted in Mr. Peper’s purchase of a small townhouse with a perfect view of the North Sea and fairway grass.

From The Wall Street Journal • May 4, 2026

Wildlife groups are far from optimistic about the whale's future once it is eventually released into the North Sea.

From BBC • Apr. 29, 2026

"If everything goes well, it will be in the North Sea in two days," he told reporters, adding that the whale was doing very well and reportedly even sang during the night.

From BBC • Apr. 29, 2026

In 1980, according to the article, sixteen Danish seamen issued a Mayday call, donned life jackets, and jumped into the North Sea as their vessel sank beneath them.

From "A Walk in the Woods" by Bill Bryson