/ Dictionary / Index B burster: Meaning and Definition of Find definitions for: burst•er Pronunciation: (bûr'stur), [key] — n. a person or thing that bursts. See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: burster (Thesaurus) burst bursting point Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language