/ Dictionary / Index T tautonym: Meaning and Definition of Find definitions for: tau•to•nym Pronunciation: (tô'tu-nim), [key] — n. Biol. a scientific name in which the generic and the specific names are the same, as Chloris chloris (the greenfinch). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tautomerize tautosyllabic Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language