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Noun: tuatara  ,too-u'taa-ru
  1. Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand
    - Sphenodon punctatum

Derived forms: tuataras

Type of: diapsid, diapsid reptile

Part of: genus Sphenodon, Sphenodon

Encyclopedia: Tuatara