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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Throughout the 26 miles of coastline, loggerhead sea turtles come ashore to nest and lay eggs from May through August. Valerie Fraser Luesse, Southern Living, 1 Apr. 2026 Once the sea turtle got out of critical condition, the animal's caretakers at Mudgeroo Wombat & Wildlife Refuge and Bermagui Veterinary Clinic focused on getting Bear healthy enough to be released. Desiree Anello, PEOPLE, 1 Apr. 2026 The Rice’s whale is the species closest to the brink of extinction in the Gulf, but other endangered and threatened species live there too, including sea turtles, manatees and whooping cranes. Ella Nilsen, CNN Money, 31 Mar. 2026 Sperm whales, the West Indian manatee and several Gulf sea turtles are also listed as threatened or endangered. Chiara Eisner, NPR, 30 Mar. 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 5 Apr. 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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