South Atlantic

American  

[south at-lan-tik] / ˈsaʊθ ætˈlæn tɪk /

noun

1. the region of the world that lies in the Southern Hemisphere of the Atlantic Ocean, including all the coastal countries, islands, and archipelagos located there.

   I’ve got relatives throughout the South Atlantic, but my cousins in Uruguay are the only ones I really know.

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adjective

1. of or relating to the region of the world that lies in the Southern Hemisphere of the Atlantic Ocean, often specifically to the South Atlantic Ocean itself.

   their South Atlantic adventures aboard a small fishing boat.

Example Sentences

But Oceanwide is grappling with the fallout from a deadly hantavirus outbreak on a recent voyage that included stops to remote islands in the South Atlantic Ocean.

From The Wall Street Journal • May 17, 2026

He died on board the ship and his body was currently on the island of Saint Helena, a British territory in the South Atlantic, Mohale the South African spokesman said.

From Barron's • May 3, 2026

His body is now on the island of Saint Helena, a British territory in the South Atlantic.

From BBC • May 3, 2026

“On distant islands in the South Atlantic young men are fighting for Britain,” he said.

From The Wall Street Journal • Apr. 6, 2026

For example, an American Vela satellite detected an intense double flash of light from the vicinity of the South Atlantic and Western Indian Ocean on September 22, 1979.

From "Cosmos" by Carl Sagan