sea turtle

noun

: any of two families (Cheloniidae and Dermochelyidae) of widely distributed marine turtles that have the feet modified into paddles and that include the green turtle, leatherback, hawksbill, loggerhead, and ridley

Examples of sea turtle in a Sentence

Recent Examples on the Web
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James Emery, an underwater photographer from Monterey took pictures of an olive ridley sea turtle swimming near the town's wharf. — John Ramos, CBS News, 3 Nov. 2026 Amid record ocean temperatures, a third olive ridley sea turtle has laid its eggs in Southern California — this time on San Buenaventura State Beach in Ventura. — Los Angeles Times, 3 Nov. 2026 Stingray City may get top billing, but Grand Cayman’s coral gardens, shore reefs, sea turtles, and shipwrecks give snorkelers plenty of reasons to keep exploring. — Sarah Bruning, Travel + Leisure, 17 Oct. 2026 Other felines paused to watch a sand tiger shark and sea turtles glide by, while a few found the tunnel’s dim blue glow relaxing enough to doze off and fully fall asleep. — Moná Thomas, PEOPLE, 14 Oct. 2026 See All Example Sentences for sea turtle

Word History

First Known Use

1612, in the meaning defined above

Time Traveler
The first known use of sea turtle was in 1612

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Cite this Entry

“Sea turtle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20turtle. Accessed 9 Nov. 2026.

Kids Definition

sea turtle

noun
: any of various large marine turtles (as the green turtle or the loggerhead) that have paddle-shaped feet to aid in swimming

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