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tuatara

American  
[too-uh-tahr-uh] / ˌtu əˈtɑr ə /
Also tuatera

noun

  1. a large, primarily nocturnal, lizardlike reptile, Sphenodon punctatum, of islands near the coast of New Zealand: the only surviving rhynchocephalian.


tuatara British  
/ ˌtuːəˈtɑːrə /

noun

  1. a greenish-grey lizard-like rhynchocephalian reptile, Sphenodon punctatus , occurring only on certain small islands near New Zealand: it is the sole surviving member of a group common in Mesozoic times

"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 tuatara

1810–20; < Maori, equivalent to tua dorsal + tara spine

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.

"The new animal is unlike anything yet discovered and has made us all think again about the evolution of the lizard, snakes and the tuatara," said Dan Marke.

From Science Daily • Nov. 30, 2025

Along with the mata mata turtle and reptile known as the tuatara, among the other animals studied were caecilians, a slithery type of amphibian with an outward appearance akin to snakes.

From Salon • Nov. 9, 2022

She recalls hearing about tuatara vocalizations from her mother and others who were familiar with those animals.

From Scientific American • Oct. 25, 2022

The creatures included 50 turtles, a tuatara, a lungfish and a caecilian.

From BBC • Oct. 25, 2022

Russell Pickett, the billionaire chairman and founder of Pickett Engineering, shocked the black-tie audience at last night’s Indianapolis Prize by announcing that his entire estate would be left to his pet tuatara.

From "Turtles All the Way Down" by John Green