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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

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

"Cousteau and his crew inspired generations to look beneath the surface," said Lerosey-Aubril, "it seemed fitting to name this ancient marine animal after someone who changed the way we see ocean life."

From Science Daily • Apr. 3, 2026

Mr. Cousteau hopes to have the lab completed and ready to use by 2023.

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

Cousteau would enjoy a varied and legendary underwater career.

From "Shipwrecked!" by Martin W. Sandler

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