1
: any of a family (Testudinidae) of terrestrial turtles
broadly : turtle
2
: someone or something regarded as slow or laggard

Examples of tortoise in a Sentence

Recent Examples on the Web
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There were no cosmonauts aboard, but there were several smaller vertebrates — including the first two tortoises to ever go to space! Tariq Malik, Space.com, 15 Sep. 2026 Galapagos tortoises live so long that one of them hobbling around today could have encountered Charles Darwin in 1835. Venki Ramakrishnan, Scientific American, 15 Sep. 2026 McGuire rediscovered the original diagram during a visit to founding chair Rick Ridgeway’s California tortoise sanctuary. Jasmin Malik Chua, Footwear News, 15 Sep. 2026 The crew took small tortoises aboard the ship to keep as pets. Michele Metych Britannica Editors Sep. 14, Encyclopedia Britannica, 14 Sep. 2026 See All Example Sentences for tortoise

Word History

Etymology

Middle English tortu, tortuse, from Anglo-French tortue — more at turtle

First Known Use

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of tortoise was in the 14th century

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Cite this Entry

“Tortoise.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tortoise. Accessed 21 Sep. 2026.

Kids Definition

: turtle entry 2
especially : a land-dwelling turtle

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