/ Dictionary / Index T tubiform: Meaning and Definition of Find definitions for: tu•bi•form Pronunciation: (t'bu-fôrm", ty'-), [key] — adj. shaped like a tube. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tubiflorous tubing Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language