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
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Yet the same fisheries that drive economic value also generate high levels of bycatch, entangling marine mammals, seabirds, sea turtles, and sharks in their operations. Melissa Cristina Márquez, Forbes.com, 21 Jan. 2026 Inside Turtle Reef, guests will have the opportunity to play chess, Uno, Jenga, and other games surrounded by panoramic views of sea turtles and tropical fish. Ut Community Press, San Diego Union-Tribune, 21 Jan. 2026 Barrow Island is a major center for oil and natural gas operations, accommodating the most productive oil-extraction site in Australia, and home to a conservation reserve where spectacled hare wallabies, sea turtles, perentie (Australia’s largest lizard), and other rare and protected species live. Josh Lew, Treehugger, 20 Jan. 2026 The Mote Science Education Aquarium is a world-class facility that houses manatees, sharks, sea turtles, otters, and many other marine species. Jacqueline Dole, Travel + Leisure, 20 Jan. 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 24 Jan. 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

More from Merriam-Webster on sea turtle

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