✨📕 The NEWThe NEW Collegiate Dictionary, 12th Edition Over 5,000 words added — Buy Now! Collegiate DictionaryBuy Now!

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.
Visitors can also enjoy year-round coastal adventures like sea turtle programs, tide pool talks, and kayaking around Little Tybee Island. Evie Carrick, Travel + Leisure, 1 Dec. 2025 Visitors have the opportunity to interact with stingrays and invertebrate species, and attend educational programs that give more information on local gamefish, sharks, and sea turtles. Tara Massouleh McCay, Southern Living, 1 Dec. 2025 Meet Scuba Santa at Newport Aquarium Watch as Santa swims with sharks, rays, schools of fish and a sea turtle. Caroline Ritzie, Cincinnati Enquirer, 30 Nov. 2025 Researchers estimate that the spill also killed between 600,000 and 800,000 seabirds, as many as 167,000 sea turtles and over a thousand marine mammals like dolphins and whales. Kylie Williams, Miami Herald, 29 Nov. 2025 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

Browse Nearby Words

Cite this Entry

“Sea turtle.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sea%20turtle. Accessed 5 Dec. 2025.

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

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!