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n. - Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand.

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Usage examples (37)
  • Henry the tuatara is a dad at 111 - Australasia, World - The Independent
  • The tuatara is a reptile species whose roots go back to the time when dinosaurs roamed the Earth.
  • Despite this, scientists have been surprised to find that the tuatara is the "fastest evolving" creature on the genetic level.
  • One endangered reptile in an order of its own, called a tuatara, has a light receptive organ on its head; almost like a third eye.
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We give special thanks to our LearnThat volunteers, as well as Princeton University and Wiktionary for their Open Source word data. We're also grateful for the support given by Google, Wordnik.com, Dictionary.com, Stands4.com and YouTube, OEDILF.com, Kylescholz.com, Best-Practice.com, Forvo.com, as well as the generous Creative Commons community.