/ Dictionary / Index T TWX: Meaning and Definition of Find definitions for: TWX Pronunciation: [key] — (often twiks), a teletypewriter exchange service operating in the United States and Canada for the exchange of printed messages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. TWU TX 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