/ Dictionary / Index T TCBM: Meaning and Definition of Find definitions for: TCBM Pronunciation: [key] transcontinental ballistic missile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. TCA TCDD Related Content Daily Word Quiz: reiterate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language