sphenodon

sphe·no·don

 (sfē′nə-dŏn′, sfĕn′ə-)

n.

See tuatara.

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[New Latin Sphēnodōn, genus name : spheno- + -odon.]

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

sphenodon

(ˈsfiːnəˌdɒn)

n

(Animals) the technical name for the tuatara

[C19: from Greek sphēn a wedge + odōn a tooth]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

tu•a•ta•ra

(ˌtu əˈtɑr ə)

also tu•a•te•ra

(-ˈtɛər ə)

n., pl. -ras.

a large lizardlike reptile, Sphenodon punctatus, of New Zealand: the only surviving rhynchocephalian.

[1810–20;< Maori, =tua dorsal + tara spine]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

Thesaurus

Noun

1.

Sphenodon - coextensive with the order Rhynchocephalia: tuataras genus Sphenodon reptile genus - a genus of reptiles order Rhynchocephalia, Rhynchocephalia - tuataras; extinct forms from middle Triassic Sphenodon punctatum, tuatara - only extant member of the order Rhynchocephalia of large spiny lizard-like diapsid reptiles of coastal islands off New Zealand

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