First Known Use: 1878
Dictionary
sphenodon
noun sphen·odon \ˈsfē-nə-ˌdän, ˈsfe-\
Definition of SPHENODON
: tuatara
— sphen·odont \-ˌdänt\ adjective
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Origin of SPHENODON
New Latin, genus name, from Greek sphēn wedge + odōn, odous tooth — more at tooth
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