Atlantic Ocean

American  

[at-lan-tik oh-shuhn] / ætˈlæn tɪk ˈoʊ ʃən /

Often the Atlantic

noun

1. an ocean bounded by North America and South America in the Western Hemisphere and by Europe and Africa in the Eastern Hemisphere, with its deepest section in the Puerto Rico Trench: divided by the equator into the North Atlantic Ocean and the South Atlantic Ocean. 32,870,000 square miles (85,133,000 square kilometers).

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Atlantic Ocean British  

noun

1. the world's second largest ocean, bounded in the north by the Arctic, in the south by the Antarctic, in the west by North and South America, and in the east by Europe and Africa. Greatest depth: 9220 m (30 246 ft). Area: about 81 585 000 sq km (31 500 000 sq miles)

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Atlantic Ocean Cultural  

1. Second-largest ocean in the world, separating North America and South America on the west from Europe and Africa on the east.

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Etymology

Origin of Atlantic Ocean

First recorded in 1600–10

Example Sentences

Cape Verde, an archipelagic country in the Atlantic Ocean, may not have come to the World Cup expecting to qualify for the knockout rounds.

From BBC • Jun. 29, 2026

The ultimate destination and reason behind Keeton’s voyage was an unassuming six square miles of land hugging the Atlantic Ocean.

From MarketWatch • Jun. 10, 2026

Researchers from the University of Edinburgh sought answers by examining more than 20 years of ocean sampling data collected from Fram Strait, a key passage where Arctic waters flow into the Atlantic Ocean.

From Science Daily • May 28, 2026

The patient was one of four Canadians aboard the hantavirus-stricken vessel, which set sail on April 1 from Argentina on a course across the Atlantic Ocean until the outbreak of the rare rodent-carried disease.

From Barron's • May 17, 2026

For he knew that the garbage would be towed twenty miles out and dumped into the Atlantic Ocean.

From "Stuart Little" by E.B. White