/ Dictionary / Index T taxa: Meaning and Definition of Find definitions for: tax•a Pronunciation: (tak'su), [key] — n. pl. of Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: taxa (Thesaurus) tax taxable Related Content Daily Word Quiz: penchant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language