/ Dictionary / Index B boob tube: Meaning and Definition of Find definitions for: boob' tube" Pronunciation: [key] — Informal. Informal. television. a television set. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. boobook booby Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language