/ Dictionary / Index T tuco-tuco: Meaning and Definition of Find definitions for: tu•co-tu•co Pronunciation: (t'kō-t'kō), [key] — pl. -cos. any of several burrowing rodents of the genus Ctenomys, of South America, resembling the pocket gopher. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tuck-shop Tucson Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language