Found 2 items, similar to tuatara.
English → English (WordNet) Definition: tuatara tuatara n : only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand [syn: Sphenodon punctatum]
English → English (gcide) Definition: tuatara Hatteria \Hat*te"ri*a\ (h[a^]t*t[=e]"r[i^]*[.a]), n. [NL.] (Zo["o]l.) A New Zealand lizard, which, in anatomical character, differs widely from all other existing lizards. It is the only living representative of the order Rhynchocephala, of which many Mesozoic fossil species are known; -- called also Sphenodon, tuatara, and Tuatera. [1913 Webster]