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Definition of Tuatara
1. Noun. Only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand.
Exact synonyms: Sphenodon Punctatum
Generic synonyms: Diapsid, Diapsid Reptile
Group relationships: Genus Sphenodon, Sphenodon
Generic synonyms: Diapsid, Diapsid Reptile
Group relationships: Genus Sphenodon, Sphenodon
Definition of Tuatara
1. n. A large iguanalike reptile (Sphenodon punctatum) formerly common in New Zealand, but now confined to certain islets near the coast. It reaches a length of two and a half feet, is dark olive-green with small white or yellowish specks on the sides, and has yellow spines along the back, except on the neck.
Definition of Tuatara
1. a large reptile [n -S]
Lexicographical Neighbors of Tuatara
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