'Sphenodon' definitions:
Definition of 'Sphenodon'
From: WordNet
noun
Coextensive with the order Rhynchocephalia: tuataras [syn: Sphenodon, genus Sphenodon]
Definition of 'Sphenodon'
From: GCIDE
- Hatteria \Hat*te"ri*a\ (h[a^]t*t[=e]"r[i^]*[.a]), n. [NL.] (Zool.) 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]
Definition of 'Sphenodon'
From: GCIDE
- Sphenodon \Sphe"no*don\, n. [Gr. sfh`n a wedge + ???, ???, a tooth.] (Zool.) Same as Hatteria. [1913 Webster]