/ Dictionary / Index T TX: Meaning and Definition of Find definitions for: TX Pronunciation: [key] Texas (approved esp. for use with zip code). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tx (Thesaurus) TWX -ty 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