/ Dictionary / Index T tuatara: Meaning and Definition of Find definitions for: tu•a•ta•ra Pronunciation: (t"u-tär'u), [key] — n. a large, primarily nocturnal, lizardlike reptile, Sphenodon punctatum, of islands near the coast of New Zealand: the only surviving rhynchocephalian. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tuatara (Thesaurus) Tuareg Tuatha Dé Danann Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language