Cousteau

American

[koo-stoh] / kuˈstoʊ /

noun

Jacques Yves 1910–97, French naval officer, author, and underseas explorer: developed the Aqua-Lung.

Cousteau British

/ kusto /

noun

Jacques Yves (ʒɑk iv). 1910–97, French underwater explorer

"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

Cousteau Scientific

/ ko̅o̅-stō′ /

French underwater explorer who helped develop the Aqua-Lung (an underwater breathing apparatus) and designed the bathyscaphe and a small, deep-sea submarine known as a diving saucer. Cousteau also devised an underwater television system and produced several films that widely popularized marine biology.

Example Sentences

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Cousteau

The species name Megachelicerax cousteaui honors French explorer Jacques-Yves Cousteau.

From Science Daily ● Apr. 3, 2026

Mr. Cousteau set a record for living underwater when he worked in Aquarius for 31 days in 2014.

From NewsForKids.net ● Mar. 25, 2024

He’s been at the work ever since he was a university student and the venerated oceanographer Jacques Cousteau visited his class.

From National Geographic ● Feb. 5, 2024

He had been taught to dive by oceanographer Jacques Cousteau, and during the 1960s had been Florida State University's diving course training director.

From BBC ● May 28, 2023

I asked, thinking of the woman in the Cousteau book, looking at the babies pouring out of the mother shark.

From "The Line Tender" by Kate Allen

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