/ Dictionary / Index P pipe bomb: Meaning and Definition of Find definitions for: pipe' bomb" Pronunciation: [key] a small homemade bomb typically contained in a metal pipe. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pipe batten pipe clay Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language