/ Dictionary / Index T tubiform: Meaning and Definition of Find definitions for: tu•bi•form Pronunciation: (t'bu-frm", 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: anecdote Analogy of the Day: Today?s Analogy Spelling Bee: Today?s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language