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terrapin

American  
[ter-uh-pin] / ˈtɛr ə pɪn /

noun

  1. any of several edible North American turtles of the family Emydidae, inhabiting fresh or brackish waters, especially the diamondback terrapin: some are threatened or endangered.

  2. any of various similar turtles.


terrapin British  
/ ˈtɛrəpɪn /

noun

  1. Also called: water tortoise.  any of various web-footed chelonian reptiles that live on land and in fresh water and feed on small aquatic animals: family Emydidae

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of terrapin

1605–15; earlier torope (< Virginia Algonquian < Eastern Algonquian *to·rəpe·w variety of turtle > Munsee Delaware tó·lpe·w ) + -in, of uncertain origin

Vocabulary lists containing terrapin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

It turned out to be a diamondback terrapin.

From The Wall Street Journal • Oct. 30, 2025

Tulare Lake expanded each spring as rain and melting snow filled the valley, growing so large that fisherfolk could sail across its surface to catch terrapin for San Francisco restaurants.

From Salon • Apr. 18, 2023

BARNSTABLE, Mass. — A rare two-headed diamondback terrapin turtle is alive and kicking - with all six of its legs - at the Birdsey Cape Wildlife Center in Massachusetts after hatching two weeks ago.

From Washington Times • Oct. 12, 2021

It filled the space with shimmering texts of cut metal that delved into unusual relationships, including that of the turtle conservationist Richard Ogust and the diamondback terrapin that pointed him toward his calling.

From New York Times • Dec. 4, 2020

We sold our soft crabs, peelers, and the terrapin to Otis, then split the money and the hard crabs.

From "Jacob Have I Loved" by Katherine Paterson