/ Dictionary / Index T tuberous: Meaning and Definition of Find definitions for: tu•ber•ous Pronunciation: (t'bur-us, ty'-), [key] ? adj. characterized by the presence of rounded or wartlike prominences or tubers. of the nature of such a prominence. bearing tubers. having the nature of or resembling a tuber. Random House Unabridged Dictionary, Copyright 1997, by Random House, Inc., on Infoplease. See also: tuberous (Thesaurus) tuberosity tuberous root Related Content Daily Word Quiz: wizened Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language