/ Dictionary / Index T taxaceous: Meaning and Definition of Find definitions for: tax•a•ceous Pronunciation: (tak-sā'shus), [key] — adj. belonging to the Taxaceae, the yew family of plants. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. taxable taxation Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language