noun sphen·odon \ˈsfē-nə-ˌdän, ˈsfe-\

Definition of sphenodon

  1. :  tuatara


play \-ˌdänt\ adjective

Origin and Etymology of sphenodon

New Latin, genus name, from Greek sphēn wedge + odōn, odous tooth — more at tooth

First Known Use: 1878

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