Sargasso Sea

American

noun

a relatively calm area of water in the N Atlantic, NE of the West Indies.

Sargasso Sea British

noun

a calm area of the N Atlantic, between the Caribbean and the Azores, where there is an abundance of floating seaweed of the genus Sargassum

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

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Sargasso Sea

Originating in the Atlantic Ocean's Sargasso Sea, sargassum was pushed by clockwise currents into nutrient-rich waters where it has exploded in growth.

From Barron's ● Jul. 30, 2026

Glass eels are juvenile eels, aged one to two years, that have just completed their migration across the Atlantic from the Sargasso Sea.

From BBC ● May 7, 2026

The algae originate in the Sargasso Sea east of Florida.

From Science Daily ● Nov. 19, 2025

Almost all research on sargassum conducted over the past three centuries has been focused on the Sargasso Sea.

From Slate ● Jul. 16, 2023

He was sleek and snowy and shining, like an eel preparing for its nuptial journey to the Sargasso Sea, for the time of Nimue was at hand.

From "The Once and Future King" by T. H. White

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023