/ Dictionary / Index B blowtube: Meaning and Definition of Find definitions for: blow•tube Pronunciation: (blō'tb", -tyb"), [key] — n. blowgun. blowpipe (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: blowtube (Thesaurus) blowtorch blowup Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language